diff --git a/apps/cm/serializers.py b/apps/cm/serializers.py
index 456e3886..fe431539 100644
--- a/apps/cm/serializers.py
+++ b/apps/cm/serializers.py
@@ -43,6 +43,11 @@ class LabelMatSerializer(serializers.ModelSerializer):
     
 
 class LabelTemplateSerializer(CustomModelSerializer):
+    coder_ip = serializers.IPAddressField(required=False, allow_null=True, allow_blank=True)
+
     class Meta:
         model = LabelTemplate
-        fields = '__all__'
\ No newline at end of file
+        fields = '__all__'
+
+    def validate_coder_ip(self, value):
+        return value or None
\ No newline at end of file