diff --git a/test/testautomation_hints.c b/test/testautomation_hints.c
index aa65e276ad..c1244b82b5 100644
--- a/test/testautomation_hints.c
+++ b/test/testautomation_hints.c
@@ -214,6 +214,7 @@ static int hints_setHint(void *arg)
         callbackValue && SDL_strcmp(callbackValue, "original") == 0,
         "callbackValue = %s, expected \"original\"",
         callbackValue);
+    SDL_free(callbackValue);
 
     SDLTest_AssertPass("Call to SDL_SetHintWithPriority(\"temp\", SDL_HINT_OVERRIDE), using callback after reset");
     callbackValue = NULL;