diff --git a/adminer/drivers/oracle.inc.php b/adminer/drivers/oracle.inc.php
index c88096c6..28daad11 100644
--- a/adminer/drivers/oracle.inc.php
+++ b/adminer/drivers/oracle.inc.php
@@ -445,7 +445,8 @@ AND c_src.TABLE_NAME = " . q($table);
 	}
 
 	function schemas() {
-		return get_vals("SELECT DISTINCT owner FROM dba_segments WHERE owner IN (SELECT username FROM dba_users WHERE default_tablespace NOT IN ('SYSTEM','SYSAUX'))");
+		$return = get_vals("SELECT DISTINCT owner FROM dba_segments WHERE owner IN (SELECT username FROM dba_users WHERE default_tablespace NOT IN ('SYSTEM','SYSAUX')) ORDER BY 1");
+		return ($return ? $return : get_vals("SELECT DISTINCT owner FROM all_tables WHERE tablespace_name = " . q(DB) . " ORDER BY 1"));
 	}
 
 	function get_schema() {