diff --git a/sc2/src/sc2code/comm.c b/sc2/src/sc2code/comm.c
index bba8ace80..3106682eb 100644
--- a/sc2/src/sc2code/comm.c
+++ b/sc2/src/sc2code/comm.c
@@ -37,6 +37,7 @@
 #include "libs/sound/sound.h"
 #include "libs/sound/trackplayer.h"
 #include "libs/sound/trackint.h"
+#include "libs/strlib.h"
 
 #include <ctype.h>