diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 42c3993..d165305 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -8461,7 +8461,7 @@
     exarg_T	*eap UNUSED;
 {
     if (eap->addr_count == 1)	    /* :undo 123 */
-	undo_time(eap->line2, FALSE, TRUE);
+	undo_time(eap->line2, FALSE, FALSE, TRUE);
     else
 	u_undo(1);
 }
@@ -8507,6 +8507,7 @@
 {
     long	count = 0;
     int		sec = FALSE;
+    int		file = FALSE;
     char_u	*p = eap->arg;
 
     if (*p == NUL)
@@ -8519,13 +8520,16 @@
 	    case 's': ++p; sec = TRUE; break;
 	    case 'm': ++p; sec = TRUE; count *= 60; break;
 	    case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
+	    case 'd': ++p; sec = TRUE; count *= 24 * 60 * 60; break;
+	    case 'f': ++p; file = TRUE; break;
 	}
     }
 
     if (*p != NUL)
 	EMSG2(_(e_invarg2), eap->arg);
     else
-	undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
+	undo_time(eap->cmdidx == CMD_earlier ? -count : count,
+							    sec, file, FALSE);
 }
 
 /*