diff --git a/arangod/Aql/ExecutionBlock.cpp b/arangod/Aql/ExecutionBlock.cpp
index 69bb8a1520..50b35f0bc4 100644
--- a/arangod/Aql/ExecutionBlock.cpp
+++ b/arangod/Aql/ExecutionBlock.cpp
@@ -1093,7 +1093,7 @@ IndexRangeBlock::IndexRangeBlock (ExecutionEngine* engine,
       isConstant &= r.isConstant();
     }
     _anyBoundVariable |= ! isConstant;
-    _allBoundsConstant.emplace(isConstant); // note: emplace_back() is not supported in C++11 but only from C++14
+    _allBoundsConstant.push_back(isConstant); // note: emplace_back() is not supported in C++11 but only from C++14
   }
 }