diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 2ebc376..e2f4bb5 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -2764,7 +2764,7 @@
  */
 static void idetape_wait_for_request (ide_drive_t *drive, struct request *rq)
 {
-	DECLARE_COMPLETION(wait);
+	DECLARE_COMPLETION_ONSTACK(wait);
 	idetape_tape_t *tape = drive->driver_data;
 
 #if IDETAPE_DEBUG_BUGS