diff --git a/src/platform/sdl/gl-main.c b/src/platform/sdl/gl-main.c
index 1b9942d79..217e0b611 100644
--- a/src/platform/sdl/gl-main.c
+++ b/src/platform/sdl/gl-main.c
@@ -148,6 +148,8 @@ static void _GBASDLRunloop(struct GBAThread* context, struct GLSoftwareRenderer*
 			glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
 
 			SDL_GL_SwapBuffers();
+		} else {
+			usleep(50000);
 		}
 		GBASyncWaitFrameEnd(&context->sync);