diff --git a/auth-plug.c b/auth-plug.c
index 4cec9e4c..43329eff 100644
--- a/auth-plug.c
+++ b/auth-plug.c
@@ -652,11 +652,11 @@ int mosquitto_auth_acl_check(void *userdata, const char *clientid, const char *u
 		return MOSQ_DENY_ACL;
 	}
 
-	_log(LOG_DEBUG, "mosquitto_auth_acl_check(..., %s, %s, %s, %s)",
+	_log(LOG_DEBUG, "mosquitto_auth_acl_check(..., %s, %s, %s, %d)",
 		clientid ? clientid : "NULL",
 		username ? username : "NULL",
 		topic ? topic : "NULL",
-		access == MOSQ_ACL_READ ? "MOSQ_ACL_READ" : "MOSQ_ACL_WRITE" );
+		access );
 
 
 	granted = acl_cache_q(clientid, username, topic, access, userdata);