diff --git a/reactos/win32ss/drivers/font/ftfd/rosglue.c b/reactos/win32ss/drivers/font/ftfd/rosglue.c
index 45775562dcf..eb2d4b8a675 100644
--- a/reactos/win32ss/drivers/font/ftfd/rosglue.c
+++ b/reactos/win32ss/drivers/font/ftfd/rosglue.c
@@ -79,7 +79,10 @@ realloc(void *Object, size_t Size)
 void
 free(void *Object)
 {
-    EngFreeMem((size_t *)Object - 1);
+    if (Object != NULL)
+    {
+        EngFreeMem((size_t *)Object - 1);
+    }
 }
 
 /*