diff --git a/arangod/Aql/ExecutionBlock.h b/arangod/Aql/ExecutionBlock.h
index 8e0f9b60eb..274193cd7c 100644
--- a/arangod/Aql/ExecutionBlock.h
+++ b/arangod/Aql/ExecutionBlock.h
@@ -35,6 +35,8 @@
 #include "Aql/ExecutionNode.h"
 #include "Utils/transactions.h"
 
+// #include "V8/v8.h"
+
 using namespace triagens::basics;
 
 struct TRI_json_s;
@@ -820,7 +822,6 @@ namespace triagens {
           for (size_t i = 0; i < result->size(); i++) {
             // Now build V8-Object as argument:
             for (size_t j = 0; j < _inVars.size(); j++) {
-
             }
           }
         }
diff --git a/arangod/Aql/Types.cpp b/arangod/Aql/Types.cpp
index 13eb08637b..61c0194f6e 100644
--- a/arangod/Aql/Types.cpp
+++ b/arangod/Aql/Types.cpp
@@ -93,14 +93,14 @@ AqlItemBlock* AqlItemBlock::splice(std::vector<AqlItemBlock*>& blocks)
   auto it = blocks.begin();
   TRI_ASSERT(it != blocks.end());
   size_t totalSize = (*it)->size();
-  RegisterId nrRegs = (*it)->getNrVars();
+  RegisterId nrRegs = (*it)->getNrRegs();
 
   while (true) {
     if (++it == blocks.end()) {
       break;
     }
     totalSize += (*it)->size();
-    TRI_ASSERT((*it)->getNrVars() == nrRegs);
+    TRI_ASSERT((*it)->getNrRegs() == nrRegs);
   }
 
   auto res = new AqlItemBlock(totalSize, nrRegs);