diff --git a/ydb/library/yql/sql/pg/pg_sql.cpp b/ydb/library/yql/sql/pg/pg_sql.cpp
index 02cd920cd781..4bb649bac2ec 100644
--- a/ydb/library/yql/sql/pg/pg_sql.cpp
+++ b/ydb/library/yql/sql/pg/pg_sql.cpp
@@ -4174,7 +4174,7 @@ class TConverter : public IPGParseEvents {
             return nullptr;
         }
 
-        if (rangeFunction && schema != "pg_catalog") {
+        if (rangeFunction && !schema.empty() && schema != "pg_catalog") {
             injectRead = true;
             return ParseTableRangeFunction(name, schema, value->args);
         }