diff --git a/arangod/IResearch/AqlHelper.cpp b/arangod/IResearch/AqlHelper.cpp
index 2e11a4140b..014b029282 100644
--- a/arangod/IResearch/AqlHelper.cpp
+++ b/arangod/IResearch/AqlHelper.cpp
@@ -32,6 +32,7 @@
 #include "Logger/Logger.h"
 #include "Logger/LogMacros.h"
 
+#define __STDC_FORMAT_MACROS
 #include <inttypes.h>
 
 namespace {