diff --git a/docs/en_US/release_notes_4_26.rst b/docs/en_US/release_notes_4_26.rst
index 835eb05b7..7a6169f66 100644
--- a/docs/en_US/release_notes_4_26.rst
+++ b/docs/en_US/release_notes_4_26.rst
@@ -38,6 +38,7 @@ Bug fixes
 | `Issue #5766 <https://redmine.postgresql.org/issues/5766>`_ -  Fixed string indices must be integers issue for PostgreSQL < 9.3.
 | `Issue #5773 <https://redmine.postgresql.org/issues/5773>`_ -  Fixed an issue where the application ignores the fixed port configuration value.
 | `Issue #5775 <https://redmine.postgresql.org/issues/5775>`_ -  Ensure that 'setup-web.sh' should work in Debian 10.
+| `Issue #5779 <https://redmine.postgresql.org/issues/5779>`_ -  Remove illegal argument from trigger function in trigger DDL statement.
 | `Issue #5794 <https://redmine.postgresql.org/issues/5794>`_ -  Fixed excessive CPU usage by stopping the indefinite growth of the graph dataset.
 | `Issue #5815 <https://redmine.postgresql.org/issues/5815>`_ -  Fixed an issue where clicking on the 'Generate script' button shows a forever spinner due to pop up blocker.
 | `Issue #5820 <https://redmine.postgresql.org/issues/5820>`_ -  Fixed an issue while refreshing Resource Group.
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/triggers/utils.py b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/triggers/utils.py
index 452551e55..0c3836f08 100644
--- a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/triggers/utils.py
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/triggers/utils.py
@@ -131,6 +131,8 @@ def get_trigger_function_and_columns(conn, data, tid,
             formatted_args = ', '.join(formatted_args)
 
             data['tgargs'] = formatted_args
+        else:
+            data['tgargs'] = None
 
         if len(data['tgattr']) >= 1:
             columns = ', '.join(data['tgattr'].split(' '))