diff --git a/servers/slapd/slapmodify.c b/servers/slapd/slapmodify.c
index 83cb41c00d..f4e9d7d6ac 100644
--- a/servers/slapd/slapmodify.c
+++ b/servers/slapd/slapmodify.c
@@ -286,7 +286,7 @@ slapmodify( int argc, char **argv )
 		}
 
 		if ( rc != LDAP_SUCCESS ) {
-			fprintf( stderr, "%s: no such entry \"%s\" in database (lineno=%d)\n",
+			fprintf( stderr, "%s: no such entry \"%s\" in database (lineno=%lu)\n",
 				progname, ndn.bv_val, lineno );
 			rc = EXIT_FAILURE;
 			goto cleanup;