diff --git a/pype/modules/ftrack/actions/action_create_cust_attrs.py b/pype/modules/ftrack/actions/action_create_cust_attrs.py
index 0c7e311377..21c4743725 100644
--- a/pype/modules/ftrack/actions/action_create_cust_attrs.py
+++ b/pype/modules/ftrack/actions/action_create_cust_attrs.py
@@ -409,6 +409,10 @@ class CustomAttributes(BaseAction):
                     ))
                 )
             )
+
+        # Make sure there is at least one item
+        if not app_definitions:
+            app_definitions.append({"empty": "< Empty >"})
         return app_definitions
 
     def applications_attribute(self, event):
@@ -432,6 +436,10 @@ class CustomAttributes(BaseAction):
             if usage:
                 tools_data.append({tool_name: tool_name})
 
+        # Make sure there is at least one item
+        if not tools_data:
+            tools_data.append({"empty": "< Empty >"})
+
         tools_custom_attr_data = {
             "label": "Tools",
             "key": "tools_env",