diff --git a/sim_video.c b/sim_video.c
index cfee9703..a306ad8d 100644
--- a/sim_video.c
+++ b/sim_video.c
@@ -2252,7 +2252,7 @@ return 0;
 const char *vid_version(void)
 {
 static char SDLVersion[160];
-SDL_version compiled, running;
+SDL_version compiled = { 0}, running = { 0};
 
 SDL_GetVersion(&running);