diff --git a/src/platform/sdl/main.c b/src/platform/sdl/main.c
index 7144edb61..25c8d5f4b 100644
--- a/src/platform/sdl/main.c
+++ b/src/platform/sdl/main.c
@@ -57,7 +57,7 @@ static int mSDLRunGB(struct mSDLRenderer* renderer, struct GBAArguments* args);
 
 
 int main(int argc, char** argv) {
-	struct mSDLRenderer renderer;
+	struct mSDLRenderer renderer = {};
 
 	struct GBAInputMap inputMap;
 	GBAInputMapInit(&inputMap);