diff --git a/arangod/Aql/IResearchViewNode.cpp b/arangod/Aql/IResearchViewNode.cpp
index 136257eac0..1a7e0f86aa 100644
--- a/arangod/Aql/IResearchViewNode.cpp
+++ b/arangod/Aql/IResearchViewNode.cpp
@@ -663,7 +663,7 @@ const char* NODE_OPTIONS_PARAM = "options";
 const char* NODE_VOLATILITY_PARAM = "volatility";
 const char* NODE_PRIMARY_SORT_PARAM = "primarySort";
 const char* NODE_PRIMARY_SORT_BUCKETS_PARAM = "primarySortBuckets";
-const char* NODE_VIEW_VALUES_VARS = "ViewValuesVars";
+const char* NODE_VIEW_VALUES_VARS = "viewValuesVars";
 const char* NODE_VIEW_VALUES_VAR_FIELD_NUMBER = "fieldNumber";
 const char* NODE_VIEW_VALUES_VAR_ID = "id";
 const char* NODE_VIEW_VALUES_VAR_NAME = "name";
@@ -924,7 +924,7 @@ IResearchViewNode::IResearchViewNode(aql::ExecutionPlan& plan, velocypack::Slice
     auto const viewValuesVarsSlice = base.get(NODE_VIEW_VALUES_VARS);
     if (!viewValuesVarsSlice.isArray()) {
       THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_BAD_PARAMETER,
-                                     "\"ViewValuesVars\" attribute should be an array");
+                                     "\"viewValuesVars\" attribute should be an array");
     }
     std::unordered_map<size_t, aql::Variable const*> viewValuesVars;
     viewValuesVars.reserve(viewValuesVarsSlice.length());
@@ -932,7 +932,7 @@ IResearchViewNode::IResearchViewNode(aql::ExecutionPlan& plan, velocypack::Slice
       auto const fieldNumberSlice = indVar.get(NODE_VIEW_VALUES_VAR_FIELD_NUMBER);
       if (!fieldNumberSlice.isNumber<size_t>()) {
         THROW_ARANGO_EXCEPTION_FORMAT(
-            TRI_ERROR_BAD_PARAMETER, "\"ViewValuesVars[*].fieldNumber\" %s should be a number",
+            TRI_ERROR_BAD_PARAMETER, "\"viewValuesVars[*].fieldNumber\" %s should be a number",
               fieldNumberSlice.toString().c_str());
       }
       auto const fieldNumber = fieldNumberSlice.getNumber<size_t>();
@@ -940,7 +940,7 @@ IResearchViewNode::IResearchViewNode(aql::ExecutionPlan& plan, velocypack::Slice
       auto const varIdSlice = indVar.get(NODE_VIEW_VALUES_VAR_ID);
       if (!varIdSlice.isNumber<aql::VariableId>()) {
         THROW_ARANGO_EXCEPTION_FORMAT(
-            TRI_ERROR_BAD_PARAMETER, "\"ViewValuesVars[*].id\" variable id %s should be a number",
+            TRI_ERROR_BAD_PARAMETER, "\"viewValuesVars[*].id\" variable id %s should be a number",
               varIdSlice.toString().c_str());
       }
 
@@ -949,7 +949,7 @@ IResearchViewNode::IResearchViewNode(aql::ExecutionPlan& plan, velocypack::Slice
 
       if (!var) {
         THROW_ARANGO_EXCEPTION_FORMAT(
-            TRI_ERROR_BAD_PARAMETER, "\"ViewValuesVars[*].id\" unable to find variable by id %d",
+            TRI_ERROR_BAD_PARAMETER, "\"viewValuesVars[*].id\" unable to find variable by id %d",
               varId);
       }
       viewValuesVars.emplace(fieldNumber, var);
diff --git a/arangod/Aql/IndexNode.cpp b/arangod/Aql/IndexNode.cpp
index 727de84934..54111700d6 100644
--- a/arangod/Aql/IndexNode.cpp
+++ b/arangod/Aql/IndexNode.cpp
@@ -130,10 +130,10 @@ IndexNode::IndexNode(ExecutionPlan* plan, arangodb::velocypack::Slice const& bas
 
     auto const indexId = indexIdSlice.getNumber<TRI_idx_iid_t>();
 
-    auto const indexValuesVarsSlice = base.get("IndexValuesVars");
+    auto const indexValuesVarsSlice = base.get("indexValuesVars");
     if (!indexValuesVarsSlice.isArray()) {
       THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_BAD_PARAMETER,
-                                     "\"IndexValuesVars\" attribute should be an array");
+                                     "\"indexValuesVars\" attribute should be an array");
     }
     std::unordered_map<size_t, Variable const*> indexValuesVars;
     indexValuesVars.reserve(indexValuesVarsSlice.length());
@@ -141,7 +141,7 @@ IndexNode::IndexNode(ExecutionPlan* plan, arangodb::velocypack::Slice const& bas
       auto const fieldNumberSlice = indVar.get("fieldNumber");
       if (!fieldNumberSlice.isNumber<size_t>()) {
         THROW_ARANGO_EXCEPTION_FORMAT(
-            TRI_ERROR_BAD_PARAMETER, "\"IndexValuesVars[*].fieldNumber\" %s should be a number",
+            TRI_ERROR_BAD_PARAMETER, "\"indexValuesVars[*].fieldNumber\" %s should be a number",
               fieldNumberSlice.toString().c_str());
       }
       auto const fieldNumber = fieldNumberSlice.getNumber<size_t>();
@@ -149,7 +149,7 @@ IndexNode::IndexNode(ExecutionPlan* plan, arangodb::velocypack::Slice const& bas
       auto const varIdSlice = indVar.get("id");
       if (!varIdSlice.isNumber<aql::VariableId>()) {
         THROW_ARANGO_EXCEPTION_FORMAT(
-            TRI_ERROR_BAD_PARAMETER, "\"IndexValuesVars[*].id\" variable id %s should be a number",
+            TRI_ERROR_BAD_PARAMETER, "\"indexValuesVars[*].id\" variable id %s should be a number",
               varIdSlice.toString().c_str());
       }
 
@@ -158,7 +158,7 @@ IndexNode::IndexNode(ExecutionPlan* plan, arangodb::velocypack::Slice const& bas
 
       if (!var) {
         THROW_ARANGO_EXCEPTION_FORMAT(
-            TRI_ERROR_BAD_PARAMETER, "\"IndexValuesVars[*].id\" unable to find variable by id %d",
+            TRI_ERROR_BAD_PARAMETER, "\"indexValuesVars[*].id\" unable to find variable by id %d",
               varId);
       }
       indexValuesVars.emplace(fieldNumber, var);
@@ -294,7 +294,7 @@ void IndexNode::toVelocyPackHelper(VPackBuilder& builder, unsigned flags,
     });
     TRI_ASSERT(indIt != _indexes.cend());
     auto const& fields = (*indIt)->fields();
-    VPackArrayBuilder arrayScope(&builder, "IndexValuesVars");
+    VPackArrayBuilder arrayScope(&builder, "indexValuesVars");
     for (auto const& indVar : _outNonMaterializedIndVars.second) {
       VPackObjectBuilder objectScope(&builder);
       builder.add("fieldNumber", VPackValue(indVar.first));
diff --git a/tests/Aql/IndexNodeTest.cpp b/tests/Aql/IndexNodeTest.cpp
index 3e5447b395..c329e247cc 100644
--- a/tests/Aql/IndexNodeTest.cpp
+++ b/tests/Aql/IndexNodeTest.cpp
@@ -281,7 +281,7 @@ TEST_F(IndexNodeTest, constructIndexNode) {
   // correct json
   auto createJson = arangodb::velocypack::Parser::fromJson(
     "{"
-    "  \"IndexValuesVars\" : ["
+    "  \"indexValuesVars\" : ["
     "    {"
     "      \"fieldNumber\" : 2,"
     "      \"id\" : 6,"
@@ -553,7 +553,7 @@ TEST_F(IndexNodeTest, invalidLateMaterializedJSON) {
   {
     auto createJson = arangodb::velocypack::Parser::fromJson(
       "{"
-      "  \"IndexValuesVars\" : ["
+      "  \"indexValuesVars\" : ["
       "    {"
       "      \"fieldNumber\" : 2,"
       "      \"id\" : 6,"
@@ -596,11 +596,11 @@ TEST_F(IndexNodeTest, invalidLateMaterializedJSON) {
     ASSERT_TRUE(indNode.isLateMaterialized());
   }
 
-  // incorrect IndexValuesVars
+  // incorrect indexValuesVars
   {
     auto createJson = arangodb::velocypack::Parser::fromJson(
       "{"
-      "  \"IndexValuesVars\" : {"
+      "  \"indexValuesVars\" : {"
       "    \"fieldNumber\" : 2,"
       "    \"id\" : 6,"
       "    \"name\" : \"5\""
@@ -651,7 +651,7 @@ TEST_F(IndexNodeTest, invalidLateMaterializedJSON) {
   {
     auto createJson = arangodb::velocypack::Parser::fromJson(
       "{"
-      "  \"IndexValuesVars\" : ["
+      "  \"indexValuesVars\" : ["
       "    {"
       "      \"fieldNumber\" : \"two\","
       "      \"id\" : 6,"
@@ -704,7 +704,7 @@ TEST_F(IndexNodeTest, invalidLateMaterializedJSON) {
   {
     auto createJson = arangodb::velocypack::Parser::fromJson(
       "{"
-      "  \"IndexValuesVars\" : ["
+      "  \"indexValuesVars\" : ["
       "    {"
       "      \"fieldNumber\" : 2,"
       "      \"id\" : \"six\","
@@ -757,7 +757,7 @@ TEST_F(IndexNodeTest, invalidLateMaterializedJSON) {
   {
     auto createJson = arangodb::velocypack::Parser::fromJson(
       "{"
-      "  \"IndexValuesVars\" : ["
+      "  \"indexValuesVars\" : ["
       "    {"
       "      \"fieldNumber\" : 2,"
       "      \"id\" : 6,"
@@ -803,7 +803,7 @@ TEST_F(IndexNodeTest, invalidLateMaterializedJSON) {
   {
     auto createJson = arangodb::velocypack::Parser::fromJson(
       "{"
-      "  \"IndexValuesVars\" : ["
+      "  \"indexValuesVars\" : ["
       "    {"
       "      \"fieldNumber\" : 2,"
       "      \"id\" : 6,"
@@ -856,7 +856,7 @@ TEST_F(IndexNodeTest, invalidLateMaterializedJSON) {
   {
     auto createJson = arangodb::velocypack::Parser::fromJson(
       "{"
-      "  \"IndexValuesVars\" : ["
+      "  \"indexValuesVars\" : ["
       "    {"
       "      \"fieldNumber\" : 2,"
       "      \"id\" : 6,"
diff --git a/tests/IResearch/IResearchViewNode-test.cpp b/tests/IResearch/IResearchViewNode-test.cpp
index eb02b67271..6ea29f2e65 100644
--- a/tests/IResearch/IResearchViewNode-test.cpp
+++ b/tests/IResearch/IResearchViewNode-test.cpp
@@ -897,7 +897,7 @@ TEST_F(IResearchViewNodeTest, constructFromVPackSingleServer) {
         "\"varsUsedLater\":[], \"varsValid\":[], \"outVariable\": { "
         "\"name\":\"variable\", \"id\":0 }, \"outNmColPtr\": { \"name\":\"variable100\", \"id\":100 }, "
         "\"outNmDocId\": { \"name\":\"variable100\", \"id\":100 }, "
-        "\"ViewValuesVars\":{\"fieldNumber\":0, \"id\":101}, "
+        "\"viewValuesVars\":{\"fieldNumber\":0, \"id\":101}, "
         "\"options\": { \"waitForSync\" : "
         "true, \"collection\":null }, \"viewId\": \"" +
         std::to_string(logicalView->id()) + "\" }");
@@ -920,7 +920,7 @@ TEST_F(IResearchViewNodeTest, constructFromVPackSingleServer) {
         "\"varsUsedLater\":[], \"varsValid\":[], \"outVariable\": { "
         "\"name\":\"variable\", \"id\":0 }, \"outNmColPtr\": { \"name\":\"variable100\", \"id\":100 }, "
         "\"outNmDocId\": { \"name\":\"variable100\", \"id\":100 }, "
-        "\"ViewValuesVars\":[{\"fieldNumber\":\"0\", \"id\":101}], "
+        "\"viewValuesVars\":[{\"fieldNumber\":\"0\", \"id\":101}], "
         "\"options\": { \"waitForSync\" : "
         "true, \"collection\":null }, \"viewId\": \"" +
         std::to_string(logicalView->id()) + "\" }");
@@ -943,7 +943,7 @@ TEST_F(IResearchViewNodeTest, constructFromVPackSingleServer) {
         "\"varsUsedLater\":[], \"varsValid\":[], \"outVariable\": { "
         "\"name\":\"variable\", \"id\":0 }, \"outNmColPtr\": { \"name\":\"variable100\", \"id\":100 }, "
         "\"outNmDocId\": { \"name\":\"variable100\", \"id\":100 }, "
-        "\"ViewValuesVars\":[{\"fieldNumber\":0, \"id\":\"101\"}], "
+        "\"viewValuesVars\":[{\"fieldNumber\":0, \"id\":\"101\"}], "
         "\"options\": { \"waitForSync\" : "
         "true, \"collection\":null }, \"viewId\": \"" +
         std::to_string(logicalView->id()) + "\" }");