1 files changed, 4 insertions, 0 deletions

diff --git a/ui-patch.c b/ui-patch.c
index 6ec89b4..57ca2f8 100644
--- a/ui-patch.c
+++ b/ui-patch.c
@@ -25,21 +25,25 @@ void cgit_print_patch(const char *new_rev, const char *old_rev,
                 new_rev = ctx.qry.head;
 
         if (get_sha1(new_rev, new_rev_sha1)) {
+                cgit_print_http_headers();
                 cgit_print_error("Bad object id: %s", new_rev);
                 return;
         }
         commit = lookup_commit_reference(new_rev_sha1);
         if (!commit) {
+                cgit_print_http_headers();
                 cgit_print_error("Bad commit reference: %s", new_rev);
                 return;
         }
 
         if (old_rev) {
                 if (get_sha1(old_rev, old_rev_sha1)) {
+                        cgit_print_http_headers();
                         cgit_print_error("Bad object id: %s", old_rev);
                         return;
                 }
                 if (!lookup_commit_reference(old_rev_sha1)) {
+                        cgit_print_http_headers();
                         cgit_print_error("Bad commit reference: %s", old_rev);
                         return;
                 }