diff --git a/test/testyuv.c b/test/testyuv.c
index 804874247..35279af88 100644
--- a/test/testyuv.c
+++ b/test/testyuv.c
@@ -239,7 +239,7 @@ done:
     return result;
 }
 
-static bool run_colorspace_test()
+static bool run_colorspace_test(void)
 {
     bool result = false;
     SDL_Window *window;