diff --git a/sc2/src/sc2code/libs/graphics/sdl/dcqueue.c b/sc2/src/sc2code/libs/graphics/sdl/dcqueue.c
index 649eb55ed..48482ceb2 100644
--- a/sc2/src/sc2code/libs/graphics/sdl/dcqueue.c
+++ b/sc2/src/sc2code/libs/graphics/sdl/dcqueue.c
@@ -20,6 +20,7 @@
 
 #include "sdl_common.h"
 #include "libs/threadlib.h"
+#include "SDL_thread.h"
 
 Semaphore DCQ_sem;