diff --git a/web/pgadmin/tools/grant_wizard/templates/grant_wizard/ppas/11_plus/sql/function.sql b/web/pgadmin/tools/grant_wizard/templates/grant_wizard/ppas/11_plus/sql/function.sql
index 1115b72e..577f8c98 100644
--- a/web/pgadmin/tools/grant_wizard/templates/grant_wizard/ppas/11_plus/sql/function.sql
+++ b/web/pgadmin/tools/grant_wizard/templates/grant_wizard/ppas/11_plus/sql/function.sql
@@ -21,7 +21,7 @@ WHERE
     pronamespace = {{ node_id }}::oid
     AND typname {{ 'NOT' if type != 'trigger_function' else '' }} IN ('trigger', 'event_trigger')
     AND pr.prokind = '{{ kind }}'
-    AND pr.protype = {{ 0 if type != 'procedure' else 1 }}
+    AND pr.protype = {{'0' if type != 'procedure' else '1'}}::char
 ORDER BY
     proname
 {% endif %}
diff --git a/web/pgadmin/tools/grant_wizard/templates/grant_wizard/ppas/9.1_plus/sql/function.sql b/web/pgadmin/tools/grant_wizard/templates/grant_wizard/ppas/9.1_plus/sql/function.sql
index 822134da..1fede48e 100644
--- a/web/pgadmin/tools/grant_wizard/templates/grant_wizard/ppas/9.1_plus/sql/function.sql
+++ b/web/pgadmin/tools/grant_wizard/templates/grant_wizard/ppas/9.1_plus/sql/function.sql
@@ -19,7 +19,7 @@ LEFT OUTER JOIN pg_description des ON (des.objoid=pr.oid AND des.classoid='pg_pr
 WHERE
     proisagg = FALSE AND pronamespace = {{ node_id }}::oid
     AND typname {{ 'NOT' if type != 'trigger_function' else '' }} IN ('trigger', 'event_trigger')
-    AND pr.protype = {{ 0 if type != 'procedure' else 1 }}
+    AND pr.protype = {{'0' if type != 'procedure' else '1'}}::char
 ORDER BY
     proname
 {% endif %}