--- a/ext/pdo_dblib/dblib_driver.c
+++ b/ext/pdo_dblib/dblib_driver.c
@@ -230,8 +230,10 @@ static int pdo_dblib_handle_factory(pdo_
 		goto cleanup;
 	}
 
+#if PHP_DBLIB_IS_MSSQL
 	/* dblib do not return more than this length from text/image */
 	DBSETOPT(H->link, DBTEXTLIMIT, "2147483647");
+#endif
 	
 	/* limit text/image from network */
 	DBSETOPT(H->link, DBTEXTSIZE, "2147483647");