diff --git a/op/op.ExtensionMgr.php b/op/op.ExtensionMgr.php
index e2f15f9a6..706764640 100644
--- a/op/op.ExtensionMgr.php
+++ b/op/op.ExtensionMgr.php
@@ -76,10 +76,10 @@ elseif ($action == "upload") { /* {{{ */
 		UI::exitError(getMLText("admin_tools"),getMLText("extension_mgr_no_upload"));
 	}
 	if($_FILES['userfile']['error']) {
-		UI::exitError(getMLText("admin_tools"),getMLText("error_occured"));
+		UI::exitError(getMLText("admin_tools"),getMLText("extension_mgr_error_upload"));
 	}
 	if(!in_array($_FILES['userfile']['type'], array('application/zip', 'application/x-zip-compressed'))) {
-		UI::exitError(getMLText("admin_tools"),getMLText("error_occured"));
+		UI::exitError(getMLText("admin_tools"),getMLText("extension_mgr_no_zipfile"));
 	}
 //	$extMgr = new SeedDMS_Extension_Mgr($settings->_rootDir."/ext", $settings->_cacheDir);
 	$controller->setParam('extmgr', $extMgr);