diff --git a/arangod/Aql/OptimizerRulesReplaceFunctions.cpp b/arangod/Aql/OptimizerRulesReplaceFunctions.cpp
index a7996aff91..610b2c0d22 100644
--- a/arangod/Aql/OptimizerRulesReplaceFunctions.cpp
+++ b/arangod/Aql/OptimizerRulesReplaceFunctions.cpp
@@ -71,10 +71,12 @@ struct NearOrWithinParams{
       distanceName = arr->getMember(4);
     }
 
-    if(isNear){
-      limit = arr->getMember(3);
-    } else {
-      radius = arr->getMember(3);
+    if (arr->numMembers() > 3) {
+      if (isNear) {
+        limit = arr->getMember(3);
+      } else {
+        radius = arr->getMember(3);
+      }
     }
   }
 };