diff --git a/api/v1beta1/moduletemplate_types.go b/api/v1beta1/moduletemplate_types.go
index c93b5f422c..2024bd6132 100644
--- a/api/v1beta1/moduletemplate_types.go
+++ b/api/v1beta1/moduletemplate_types.go
@@ -48,9 +48,8 @@ type ModuleTemplateSpec struct {
 	// Deprecated: This field is deprecated and will be removed in a future release.
 	// +optional
 	// +kubebuilder:deprecatedversion
-	// +kubebuilder:validation:Pattern:=^[a-z]+$
+	// +kubebuilder:validation:Pattern:=`^$|^[a-z]{3,}$`
 	// +kubebuilder:validation:MaxLength:=32
-	// +kubebuilder:validation:MinLength:=3
 	Channel string `json:"channel"`
 
 	// Mandatory indicates whether the module is mandatory. It is used to enforce the installation of the module with
diff --git a/api/v1beta2/moduletemplate_types.go b/api/v1beta2/moduletemplate_types.go
index efa6ab03f4..b03ddd5ccb 100644
--- a/api/v1beta2/moduletemplate_types.go
+++ b/api/v1beta2/moduletemplate_types.go
@@ -79,9 +79,8 @@ type ModuleTemplateSpec struct {
 	// Deprecated: This field is deprecated and will be removed in a future release.
 	// +optional
 	// +kubebuilder:deprecatedversion
-	// +kubebuilder:validation:Pattern:=^[a-z]+$
+	// +kubebuilder:validation:Pattern:=`^$|^[a-z]{3,}$`
 	// +kubebuilder:validation:MaxLength:=32
-	// +kubebuilder:validation:MinLength:=3
 	Channel string `json:"channel"`
 
 	// Version identifies the version of the Module. Can be empty, or a semantic version.
diff --git a/config/crd/bases/operator.kyma-project.io_moduletemplates.yaml b/config/crd/bases/operator.kyma-project.io_moduletemplates.yaml
index 5e07c23502..d8cd67289c 100644
--- a/config/crd/bases/operator.kyma-project.io_moduletemplates.yaml
+++ b/config/crd/bases/operator.kyma-project.io_moduletemplates.yaml
@@ -51,8 +51,7 @@ spec:
                   to a target channel. It has to be provided at any given time.
                   Deprecated: This field is deprecated and will be removed in a future release.
                 maxLength: 32
-                minLength: 3
-                pattern: ^[a-z]+$
+                pattern: ^$|^[a-z]{3,}$
                 type: string
               customStateCheck:
                 items:
@@ -182,8 +181,7 @@ spec:
                   to a target channel. It has to be provided at any given time.
                   Deprecated: This field is deprecated and will be removed in a future release.
                 maxLength: 32
-                minLength: 3
-                pattern: ^[a-z]+$
+                pattern: ^$|^[a-z]{3,}$
                 type: string
               customStateCheck:
                 description: CustomStateCheck is deprecated.