diff --git a/sc2/src/sc2code/libs/sound/sfx.c b/sc2/src/sc2code/libs/sound/sfx.c
index d80076c8f..9eb94581d 100644
--- a/sc2/src/sc2code/libs/sound/sfx.c
+++ b/sc2/src/sc2code/libs/sound/sfx.c
@@ -18,6 +18,7 @@
 #include "sound.h"
 #include "libs/reslib.h"
 #include "libs/log.h"
+#include "libs/strings/strintrn.h"
 #include <math.h>
 
 
diff --git a/sc2/src/sc2code/libs/sound/sound.h b/sc2/src/sc2code/libs/sound/sound.h
index 807e8e398..d90fd5906 100644
--- a/sc2/src/sc2code/libs/sound/sound.h
+++ b/sc2/src/sc2code/libs/sound/sound.h
@@ -18,7 +18,6 @@
 #define _UQM_SOUND_H
 
 #include "misc.h"
-#include "libs/strings/strintrn.h"
 #include "sndintrn.h"
 #include "audiocore.h"
 #include "decoders/decoder.h"