diff --git a/services/mirror/mirror_pull.go b/services/mirror/mirror_pull.go
index 2d128919f9..53a2cff13f 100644
--- a/services/mirror/mirror_pull.go
+++ b/services/mirror/mirror_pull.go
@@ -174,6 +174,7 @@ func parseRemoteUpdateOutput(output, remoteName string) []*mirrorSyncResult {
 				newCommitID: shas[1],
 			})
 
+		case strings.HasPrefix(lines[i], " * [new ref]"): // new reference - nothing to do
 		default:
 			log.Warn("parseRemoteUpdateOutput: unexpected update line %q", lines[i])
 		}
diff --git a/services/mirror/mirror_test.go b/services/mirror/mirror_test.go
index 8ad524b608..860470522e 100644
--- a/services/mirror/mirror_test.go
+++ b/services/mirror/mirror_test.go
@@ -17,7 +17,9 @@ func Test_parseRemoteUpdateOutput(t *testing.T) {
  - [deleted]         (none)     -> tag1
  + f895a1e...957a993 test2      -> origin/test2  (forced update)
    957a993..a87ba5f  test3      -> origin/test3
-`
+ * [new ref]         refs/pull/27/merge     -> refs/pull/27/merge
+ * [new ref]         refs/pull/516/head  -> refs/pull/516/head
+ `
 	results := parseRemoteUpdateOutput(output, "origin")
 	assert.Len(t, results, 6)
 	assert.EqualValues(t, "refs/tags/v0.1.8", results[0].refName.String())