1 files changed, 4 insertions, 1 deletions
diff --git a/git-debrebase b/git-debrebase
index f79aef5..01eb0eb 100755
--- a/git-debrebase
+++ b/git-debrebase
@@ -1211,9 +1211,12 @@ sub cmd_stitch () {
     if (!$prev) {
 	fail "No ffq-prev to stitch." unless $opt_noop_ok;
     }
+    my $old_head = get_head();
+
+    breakwater_of $old_head, 'unclean-stitch';
+
     push @deferred_updates, "delete $ffq_prev $prev";
 
-    my $old_head = get_head();
     if (is_fast_fwd $old_head, $prev) {
 	my $differs = get_differs $old_head, $prev;
 	unless ($differs & ~D_PAT_ADD) {