diff --git a/stb_leakcheck.h b/stb_leakcheck.h
index 7322ab5..e8ee8eb 100644
--- a/stb_leakcheck.h
+++ b/stb_leakcheck.h
@@ -59,6 +59,7 @@ void stb_leakcheck_free(void *ptr)
       if (mi->next)
          mi->next->prev = mi->prev;
       #endif
+      free(ptr);
    }
 }