diff --git a/internal/repository/repack_test.go b/internal/repository/repack_test.go
index c8570a9d4..00567aad9 100644
--- a/internal/repository/repack_test.go
+++ b/internal/repository/repack_test.go
@@ -346,7 +346,8 @@ func TestRepackWrongBlob(t *testing.T) {
 }
 
 func testRepackWrongBlob(t *testing.T, version uint) {
-	repo := repository.TestRepositoryWithVersion(t, version)
+	// disable verification to allow adding corrupted blobs to the repository
+	repo := repository.TestRepositoryWithBackend(t, nil, version, repository.Options{NoVerifyPack: true})
 
 	seed := time.Now().UnixNano()
 	rand.Seed(seed)
@@ -371,7 +372,8 @@ func TestRepackBlobFallback(t *testing.T) {
 }
 
 func testRepackBlobFallback(t *testing.T, version uint) {
-	repo := repository.TestRepositoryWithVersion(t, version)
+	// disable verification to allow adding corrupted blobs to the repository
+	repo := repository.TestRepositoryWithBackend(t, nil, version, repository.Options{NoVerifyPack: true})
 
 	seed := time.Now().UnixNano()
 	rand.Seed(seed)
diff --git a/internal/repository/repository.go b/internal/repository/repository.go
index 4fa7e487c..c7c36a74a 100644
--- a/internal/repository/repository.go
+++ b/internal/repository/repository.go
@@ -59,8 +59,9 @@ type Repository struct {
 }
 
 type Options struct {
-	Compression CompressionMode
-	PackSize    uint
+	Compression  CompressionMode
+	PackSize     uint
+	NoVerifyPack bool
 }
 
 // CompressionMode configures if data should be compressed.
@@ -444,6 +445,10 @@ func (r *Repository) saveAndEncrypt(ctx context.Context, t restic.BlobType, data
 }
 
 func (r *Repository) verifyCiphertext(buf []byte, uncompressedLength int, id restic.ID) error {
+	if r.opts.NoVerifyPack {
+		return nil
+	}
+
 	nonce, ciphertext := buf[:r.key.NonceSize()], buf[r.key.NonceSize():]
 	plaintext, err := r.key.Open(nil, nonce, ciphertext, nil)
 	if err != nil {
@@ -539,6 +544,10 @@ func (r *Repository) SaveUnpacked(ctx context.Context, t restic.FileType, buf []
 }
 
 func (r *Repository) verifyUnpacked(buf []byte, t restic.FileType, expected []byte) error {
+	if r.opts.NoVerifyPack {
+		return nil
+	}
+
 	nonce, ciphertext := buf[:r.key.NonceSize()], buf[r.key.NonceSize():]
 	plaintext, err := r.key.Open(nil, nonce, ciphertext, nil)
 	if err != nil {