diff --git a/src/test/SDL_test_common.c b/src/test/SDL_test_common.c
index 9f364c933..48db5df6a 100644
--- a/src/test/SDL_test_common.c
+++ b/src/test/SDL_test_common.c
@@ -19,7 +19,7 @@
   3. This notice may not be removed or altered from any source distribution.
 */
 
-/* Ported from original test\common.c file. */
+/* Ported from original test/common.c file. */
 
 #include "SDL_config.h"
 #include "SDL_test.h"