diff --git a/SourceX/main.cpp b/SourceX/main.cpp
index d47bdbecc..ec1d15db8 100644
--- a/SourceX/main.cpp
+++ b/SourceX/main.cpp
@@ -1,4 +1,5 @@
 #include <string>
+#include <SDL.h>
 
 #include "devilution.h"