diff --git a/internal/controller/openstackclusterstackrelease_controller.go b/internal/controller/openstackclusterstackrelease_controller.go
index e7a1c0c4..cb4b73b3 100644
--- a/internal/controller/openstackclusterstackrelease_controller.go
+++ b/internal/controller/openstackclusterstackrelease_controller.go
@@ -341,9 +341,10 @@ func getNodeImagesFromLocal(localDownloadPath string) (*NodeImages, error) {
 
 // cutOpenStackClusterStackReleaseVersionFromReleaseTag returns a release tag without version,
 // e.g.  from `openstack-ferrol-1-27-v2` returns `openstack-ferrol-1-27`.
+// e.g.  from `openstack-ferrol-1-27-v0-sha-a3baa3a` returns `openstack-ferrol-1-27`.
 func cutOpenStackClusterStackReleaseVersionFromReleaseTag(releaseTag string) (string, error) {
 	v := strings.Split(releaseTag, "-")
-	if len(v) != 5 && len(v) != 6 {
+	if len(v) != 5 && len(v) != 7 {
 		return "", fmt.Errorf("invalid release tag %s", releaseTag)
 	}
 	return fmt.Sprintf("%s-%s-%s-%s", v[0], v[1], v[2], v[3]), nil
diff --git a/internal/controller/openstackclusterstackrelease_controller_test.go b/internal/controller/openstackclusterstackrelease_controller_test.go
index 8159e9e8..6d208ec6 100644
--- a/internal/controller/openstackclusterstackrelease_controller_test.go
+++ b/internal/controller/openstackclusterstackrelease_controller_test.go
@@ -46,20 +46,48 @@ const (
 )
 
 func TestCutOpenStackClusterStackReleaseVersionFromReleaseTag(t *testing.T) {
-	// correct release tag
-	releaseTag := "openstack-ferrol-1-27-v2"
-	nameWithoutVersion, err := cutOpenStackClusterStackReleaseVersionFromReleaseTag(releaseTag)
-
-	assert.NoError(t, err)
-	assert.Equal(t, nameWithoutVersion, "openstack-ferrol-1-27")
-
-	// incorrect release tag
-	releaseTag = "openstack-ferrol-1-27"
-	nameWithoutVersion, err = cutOpenStackClusterStackReleaseVersionFromReleaseTag(releaseTag)
+	tests := []struct {
+		releaseTag string
+		expected   string
+		incorrect  bool
+	}{
+		{
+			"openstack-ferrol-1-27-v2", // stable channel
+			"openstack-ferrol-1-27",
+			false,
+		},
+		{
+			"openstack-ferrol-1-27-v0-sha-a3baa3a", // custom channel (hash mode)
+			"openstack-ferrol-1-27",
+			false,
+		},
+		{
+			"docker-ferrol-1-26-v1-alpha-0", // alpha channel
+			"docker-ferrol-1-26",
+			false,
+		},
+		{
+			"openstack-ferrol-1-27", // incorrect tag
+			"",
+			true,
+		},
+		{
+			"docker-ferrol-1.26", // incorrect tag
+			"",
+			true,
+		},
+	}
+	for _, test := range tests {
+		nameWithoutVersion, err := cutOpenStackClusterStackReleaseVersionFromReleaseTag(test.releaseTag)
+		if test.incorrect {
+			assert.Error(t, err)
+			assert.EqualError(t, err, fmt.Sprintf("invalid release tag %s", test.releaseTag))
+		} else {
+			assert.NoError(t, err)
+		}
 
-	assert.Error(t, err)
-	assert.EqualError(t, err, fmt.Sprintf("invalid release tag %s", releaseTag))
-	assert.Empty(t, nameWithoutVersion)
+		assert.Equal(t, nameWithoutVersion, test.expected)
+	}
 }
 
 func TestGenerateOwnerReference(t *testing.T) {