diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c
index 37e0d98517a8..4fec1816a2b3 100644
--- a/security/integrity/digsig_asymmetric.c
+++ b/security/integrity/digsig_asymmetric.c
@@ -28,7 +28,7 @@ static struct key *request_asymmetric_key(struct key *keyring, uint32_t keyid)
 	struct key *key;
 	char name[12];
 
-	sprintf(name, "id:%x", keyid);
+	sprintf(name, "id:%08x", keyid);
 
 	pr_debug("key search: \"%s\"\n", name);