diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 78691d51a479..0ef6956dcfa6 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -653,7 +653,7 @@ static int do_of_entry (const char *filename, void *symval, char *alias)
 	len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*",
 		      (*type)[0] ? *type : "*");
 
-	if (compatible[0])
+	if ((*compatible)[0])
 		sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "",
 			*compatible);