diff --git a/source/blender/collada/ExtraTags.cpp b/source/blender/collada/ExtraTags.cpp
index 57305d1ae79..95edd85af42 100644
--- a/source/blender/collada/ExtraTags.cpp
+++ b/source/blender/collada/ExtraTags.cpp
@@ -27,6 +27,7 @@
  */
 
 #include <stddef.h>
+#include <stdlib.h>
 #include "BLI_string.h"
 
 #include <iostream>