diff --git a/src/gui/sdlmain.cpp b/src/gui/sdlmain.cpp
index f8d7d973..dc11feb0 100644
--- a/src/gui/sdlmain.cpp
+++ b/src/gui/sdlmain.cpp
@@ -410,6 +410,7 @@ static void SetIcon()
 	SDL_Surface *s = SDL_CreateRGBSurfaceFrom((void*)logo, 32, 32, 32, 128,
 	                                          RMASK, GMASK, BMASK, 0);
 	SDL_SetWindowIcon(sdl.window, s);
+	SDL_FreeSurface(s);
 #endif // !defined(MACOSX)
 }