diff --git a/test/main.c b/test/main.c
index e5ddc0e8..59790f42 100644
--- a/test/main.c
+++ b/test/main.c
@@ -968,7 +968,7 @@ FormatTest(const Format *format)
     }
 }
 
-static int
+static int SDLCALL
 TestFormats(void *arg)
 {
     size_t i;