1 files changed, 3 insertions, 1 deletions
diff --git a/ui-patch.c b/ui-patch.c
index 3819a81..f9d2eeb 100644
--- a/ui-patch.c
+++ b/ui-patch.c
@@ -6,6 +6,8 @@
  *   (see COPYING for full license text)
  */
 
+#define USE_THE_REPOSITORY_VARIABLE
+
 #include "cgit.h"
 #include "ui-patch.h"
 #include "html.h"
@@ -57,7 +59,7 @@ void cgit_print_patch(const char *new_rev, const char *old_rev,
 	} else if (commit->parents && commit->parents->item) {
 		oidcpy(&old_rev_oid, &commit->parents->item->object.oid);
 	} else {
-		oidclr(&old_rev_oid);
+		oidclr(&old_rev_oid, the_repository->hash_algo);
 	}
 
 	if (is_null_oid(&old_rev_oid)) {