diff --git a/pkg/sync/sync_context.go b/pkg/sync/sync_context.go
index 3420a351c..b823a88dd 100644
--- a/pkg/sync/sync_context.go
+++ b/pkg/sync/sync_context.go
@@ -8,6 +8,7 @@ import (
 	"strings"
 	"sync"
 	"time"
+	"unicode"
 
 	"github.com/go-logr/logr"
 	corev1 "k8s.io/api/core/v1"
@@ -754,7 +755,9 @@ func (sc *syncContext) getSyncTasks() (_ syncTasks, successful bool) {
 				if targetObj.GetName() == "" {
 					var syncRevision string
 					if len(sc.revision) >= 8 {
-						syncRevision = sc.revision[0:7]
+						syncRevision = strings.TrimFunc(sc.revision[0:7], func(r rune) bool {
+							return !unicode.IsLetter(r) && !unicode.IsNumber(r) && r != '-'
+						})
 					} else {
 						syncRevision = sc.revision
 					}
diff --git a/pkg/sync/sync_context_test.go b/pkg/sync/sync_context_test.go
index 5cf77db32..0cb9f0862 100644
--- a/pkg/sync/sync_context_test.go
+++ b/pkg/sync/sync_context_test.go
@@ -13,6 +13,7 @@ import (
 
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/validation"
 
 	"github.com/go-logr/logr"
 	"github.com/stretchr/testify/assert"
@@ -977,6 +978,24 @@ func TestUnnamedHooksGetUniqueNames(t *testing.T) {
 		assert.Contains(t, tasks[1].name(), "foobar-postsync-")
 		assert.Equal(t, "", pod.GetName())
 	})
+
+	t.Run("Long revision with dots", func(t *testing.T) {
+		syncCtx := newTestSyncCtx(nil)
+		pod := testingutils.NewPod()
+		pod.SetName("")
+		pod.SetAnnotations(map[string]string{synccommon.AnnotationKeyHook: "PreSync,PostSync"})
+		syncCtx.hooks = []*unstructured.Unstructured{pod}
+		syncCtx.revision = "f.ooba.r"
+		tasks, successful := syncCtx.getSyncTasks()
+
+		assert.True(t, successful)
+		assert.Len(t, tasks, 2)
+		assert.Contains(t, tasks[0].name(), "f.ooba-presync-")
+		assert.Contains(t, tasks[1].name(), "f.ooba-postsync-")
+		assert.Equal(t, "", pod.GetName())
+		assert.Empty(t, validation.IsDNS1123Subdomain(tasks[0].name()))
+		assert.Empty(t, validation.IsDNS1123Subdomain(tasks[1].name()))
+	})
 }
 
 func TestManagedResourceAreNotNamed(t *testing.T) {