diff --git a/source/blender/blenlib/intern/BLI_heap.c b/source/blender/blenlib/intern/BLI_heap.c
index 01a38cf123e..ea22ed0c4da 100644
--- a/source/blender/blenlib/intern/BLI_heap.c
+++ b/source/blender/blenlib/intern/BLI_heap.c
@@ -35,6 +35,7 @@
 #include "MEM_guardedalloc.h"
 #include "BLI_memarena.h"
 #include "BLI_heap.h"
+#include "BLI_utildefines.h"
 
 /***/