diff --git a/sql/postgres/inspect.go b/sql/postgres/inspect.go
index 6e8a6c4d70c..10a557241e5 100644
--- a/sql/postgres/inspect.go
+++ b/sql/postgres/inspect.go
@@ -829,7 +829,7 @@ const (
 	paramsQuery = `SELECT setting FROM pg_settings WHERE name IN ('lc_collate', 'lc_ctype', 'server_version_num', 'crdb_version') ORDER BY name DESC`
 
 	// Query to list database schemas.
-	schemasQuery = "SELECT schema_name FROM information_schema.schemata WHERE schema_name NOT IN ('information_schema', 'pg_catalog', 'pg_toast') AND schema_name NOT LIKE 'pg_%temp_%' ORDER BY schema_name"
+	schemasQuery = "SELECT schema_name FROM information_schema.schemata WHERE schema_name NOT IN ('information_schema', 'pg_catalog', 'pg_toast', 'crdb_internal', 'pg_extension') AND schema_name NOT LIKE 'pg_%temp_%' ORDER BY schema_name"
 
 	// Query to list specific database schemas.
 	schemasQueryArgs = "SELECT schema_name FROM information_schema.schemata WHERE schema_name %s ORDER BY schema_name"