diff --git a/builtin/diff.c b/builtin/diff.c
index 84243d9956..9fc273d8cd 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -350,22 +350,21 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
 			die(_("invalid object '%s' given."), name);
 		if (obj->type == OBJ_COMMIT)
 			obj = &((struct commit *)obj)->tree->object;
+
 		if (obj->type == OBJ_TREE) {
 			obj->flags |= flags;
 			add_object_array(obj, name, &ent);
-			continue;
-		}
-		if (obj->type == OBJ_BLOB) {
+		} else if (obj->type == OBJ_BLOB) {
 			if (2 <= blobs)
 				die(_("more than two blobs given: '%s'"), name);
 			hashcpy(blob[blobs].sha1, obj->sha1);
 			blob[blobs].name = name;
 			blob[blobs].mode = entry->mode;
 			blobs++;
-			continue;
 
+		} else {
+			die(_("unhandled object '%s' given."), name);
 		}
-		die(_("unhandled object '%s' given."), name);
 	}
 	if (rev.prune_data.nr) {
 		if (!path)