diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/exclusion_constraint/sql/9.1_plus/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/exclusion_constraint/sql/9.1_plus/create.sql
index db29048..a8097de 100644
--- a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/exclusion_constraint/sql/9.1_plus/create.sql
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/exclusion_constraint/sql/9.1_plus/create.sql
@@ -1,7 +1,7 @@
 ALTER TABLE {{ conn|qtIdent(data.schema, data.table) }}
     ADD{% if data.name %} CONSTRAINT {{ conn|qtIdent(data.name) }}{% endif%} EXCLUDE {% if data.amname and data.amname != '' %}USING {{data.amname}}{% endif %} (
     {% for col in data.columns %}{% if loop.index != 1 %},
-    {% endif %}{{ conn|qtIdent(col.column)}} {% if col.oper_class and col.oper_class != '' %}{{col.oper_class}} {% endif%}{% if col.order %}ASC{% else %}DESC{% endif %} NULLS {% if col.nulls_order %}FIRST{% else %}LAST{% endif %} WITH {{col.operator}}{% endfor %}){% if data.fillfactor %}
+    {% endif %}{{ conn|qtIdent(col.column)}} {% if data.amname is defined and data.amname != 'gist' %}{% if col.oper_class and col.oper_class != '' %}{{col.oper_class}} {% endif%}{% if col.order %}ASC{% else %}DESC{% endif %} NULLS {% if col.nulls_order %}FIRST{% else %}LAST{% endif %}{% endif %} WITH {{col.operator}}{% endfor %}){% if data.fillfactor %}
     WITH (FILLFACTOR={{data.fillfactor}}){% endif %}{% if data.spcname and data.spcname != "pg_default" %}
 
     USING INDEX TABLESPACE {{ conn|qtIdent(data.spcname) }}{% endif %}
@@ -14,4 +14,4 @@ ALTER TABLE {{ conn|qtIdent(data.schema, data.table) }}
 
 COMMENT ON CONSTRAINT {{ conn|qtIdent(data.name) }} ON {{ conn|qtIdent(data.schema, data.table) }}
     IS {{ data.comment|qtLiteral }};
-{% endif %}
\ No newline at end of file
+{% endif %}
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/exclusion_constraint/sql/9.2_plus/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/exclusion_constraint/sql/9.2_plus/create.sql
index db29048..a8097de 100644
--- a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/exclusion_constraint/sql/9.2_plus/create.sql
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/exclusion_constraint/sql/9.2_plus/create.sql
@@ -1,7 +1,7 @@
 ALTER TABLE {{ conn|qtIdent(data.schema, data.table) }}
     ADD{% if data.name %} CONSTRAINT {{ conn|qtIdent(data.name) }}{% endif%} EXCLUDE {% if data.amname and data.amname != '' %}USING {{data.amname}}{% endif %} (
     {% for col in data.columns %}{% if loop.index != 1 %},
-    {% endif %}{{ conn|qtIdent(col.column)}} {% if col.oper_class and col.oper_class != '' %}{{col.oper_class}} {% endif%}{% if col.order %}ASC{% else %}DESC{% endif %} NULLS {% if col.nulls_order %}FIRST{% else %}LAST{% endif %} WITH {{col.operator}}{% endfor %}){% if data.fillfactor %}
+    {% endif %}{{ conn|qtIdent(col.column)}} {% if data.amname is defined and data.amname != 'gist' %}{% if col.oper_class and col.oper_class != '' %}{{col.oper_class}} {% endif%}{% if col.order %}ASC{% else %}DESC{% endif %} NULLS {% if col.nulls_order %}FIRST{% else %}LAST{% endif %}{% endif %} WITH {{col.operator}}{% endfor %}){% if data.fillfactor %}
     WITH (FILLFACTOR={{data.fillfactor}}){% endif %}{% if data.spcname and data.spcname != "pg_default" %}
 
     USING INDEX TABLESPACE {{ conn|qtIdent(data.spcname) }}{% endif %}
@@ -14,4 +14,4 @@ ALTER TABLE {{ conn|qtIdent(data.schema, data.table) }}
 
 COMMENT ON CONSTRAINT {{ conn|qtIdent(data.name) }} ON {{ conn|qtIdent(data.schema, data.table) }}
     IS {{ data.comment|qtLiteral }};
-{% endif %}
\ No newline at end of file
+{% endif %}