diff --git a/arangod/Aql/Expression.cpp b/arangod/Aql/Expression.cpp
index 1eb86217a8..f918f461f6 100644
--- a/arangod/Aql/Expression.cpp
+++ b/arangod/Aql/Expression.cpp
@@ -935,8 +935,7 @@ AqlValue Expression::executeSimpleExpressionFCall (AstNode const* node,
         parameters.emplace_back(AqlValue(new Json(TRI_UNKNOWN_MEM_ZONE, arg->getStringValue(), arg->getStringLength())), nullptr);
       }
       else {
-        auto value = executeSimpleExpression(arg, &myCollection, trx, argv, startPos, vars, regs, false);
-        parameters.emplace_back(value, myCollection);
+        parameters.emplace_back(executeSimpleExpression(arg, &myCollection, trx, argv, startPos, vars, regs, false), myCollection);
       }
     }
 
diff --git a/lib/V8/v8-conv.cpp b/lib/V8/v8-conv.cpp
index 6ef46ea4d8..27df5f0ab1 100644
--- a/lib/V8/v8-conv.cpp
+++ b/lib/V8/v8-conv.cpp
@@ -678,7 +678,7 @@ std::string TRI_ObjectToString (v8::Handle<v8::Value> const value) {
     return "";
   }
   
-  return std::string(*utf8Value, utf8Value.length());
+  return std::move(std::string(*utf8Value, utf8Value.length()));
 }
 
 ////////////////////////////////////////////////////////////////////////////////