diff --git a/include/SDL.h b/include/SDL.h
index 9b47a281e..0f4eb35b0 100644
--- a/include/SDL.h
+++ b/include/SDL.h
@@ -76,6 +76,7 @@
 
 #include "SDL_main.h"
 #include "SDL_stdinc.h"
+#include "SDL_atomic.h"
 #include "SDL_audio.h"
 #include "SDL_clipboard.h"
 #include "SDL_cpuinfo.h"