diff --git a/src/cryptsetup_reencrypt.c b/src/cryptsetup_reencrypt.c
index 9fd14079..2419808f 100644
--- a/src/cryptsetup_reencrypt.c
+++ b/src/cryptsetup_reencrypt.c
@@ -413,7 +413,8 @@ static int activate_luks_headers(struct reenc_ctx *rc)
 		pwd_old_len = 0;
 		pwd_new = rc->p[rc->keyslot].password;
 		pwd_new_len = rc->p[rc->keyslot].passwordLen;
-	}
+	} else
+		return -EINVAL;
 
 	if ((r = crypt_init(&cd, rc->header_file_org)) ||
 	    (r = crypt_load(cd, CRYPT_LUKS1, NULL)) ||