diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/pg/9.2_plus/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/pg/9.2_plus/sql/nodes.sql
index 3cf66474a..78c4f1dde 100644
--- a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/pg/9.2_plus/sql/nodes.sql
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/pg/9.2_plus/sql/nodes.sql
@@ -11,7 +11,7 @@ WHERE
     nsp.oid={{scid}}::oid AND
     {% else %}
     {% if not show_sysobj %}
-    nspname NOT LIKE 'pg\_%' AND
+    nspname NOT LIKE 'pg!_%' escape '!' AND
     {% endif %}
     {% endif %}
     NOT (
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/pg/default/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/pg/default/sql/nodes.sql
index d1a19d1a3..a521a3e92 100644
--- a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/pg/default/sql/nodes.sql
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/pg/default/sql/nodes.sql
@@ -11,7 +11,7 @@ WHERE
     nsp.oid={{scid}}::oid AND
     {% else %}
     {% if not show_sysobj %}
-    nspname NOT LIKE 'pg\_%' AND
+    nspname NOT LIKE 'pg!_%' escape '!' AND
     {% endif %}
     {% endif %}
     NOT (
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/ppas/9.1_plus/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/ppas/9.1_plus/sql/nodes.sql
index d132fb5a0..6da23892a 100644
--- a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/ppas/9.1_plus/sql/nodes.sql
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/ppas/9.1_plus/sql/nodes.sql
@@ -12,7 +12,7 @@ WHERE
     nsp.oid={{scid}}::oid AND
     {% else %}
     {% if not show_sysobj %}
-    nspname NOT LIKE 'pg\_%' AND
+    nspname NOT LIKE 'pg!_%' escape '!' AND
     {% endif %}
     {% endif %}
     NOT (
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/ppas/9.2_plus/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/ppas/9.2_plus/sql/nodes.sql
index d132fb5a0..6da23892a 100644
--- a/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/ppas/9.2_plus/sql/nodes.sql
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/templates/schemas/ppas/9.2_plus/sql/nodes.sql
@@ -12,7 +12,7 @@ WHERE
     nsp.oid={{scid}}::oid AND
     {% else %}
     {% if not show_sysobj %}
-    nspname NOT LIKE 'pg\_%' AND
+    nspname NOT LIKE 'pg!_%' escape '!' AND
     {% endif %}
     {% endif %}
     NOT (