diff --git a/core/permissions/app_defaults.php b/core/permissions/app_defaults.php
index c8fe870433..7142b360af 100644
--- a/core/permissions/app_defaults.php
+++ b/core/permissions/app_defaults.php
@@ -3,9 +3,9 @@
 if ($domains_processed == 1) {
 
 	//add the permissions
-		$sql = "delete from v_permissions";
+		$sql = "select * from v_permissions \n";
 		$database = new database;
-		$database->execute($sql, null);
+		$database_permissions = $database->select($sql, null, 'all');
 
 	//get the $apps array from the installed apps from the core and mod directories
 		$config_list = glob($_SERVER["DOCUMENT_ROOT"].PROJECT_PATH."/*/*/app_config.php");
@@ -17,14 +17,28 @@ if ($domains_processed == 1) {
 
 	//restore default permissions
 		$x = 0;
-		foreach ($apps as $row) {
-			if (is_array($row['permissions']) && @sizeof($row['permissions']) != 0) {
-				foreach ($row['permissions'] as $permission) {
-					$array['permissions'][$x]['permission_uuid'] = uuid();
-					$array['permissions'][$x]['permission_name'] = $permission['name'];
-					$array['permissions'][$x]['application_name'] = $row['name'];
-					$array['permissions'][$x]['application_uuid'] = $row['uuid'];
-					$x++;
+		foreach ($apps as $app) {
+			if (is_array($app['permissions']) && @sizeof($app['permissions']) != 0) {
+				foreach ($app['permissions'] as $app_permission) {
+					//check if the permission is in the database
+					$permission_found = false;
+					if (is_array($database_permissions) && @sizeof($database_permissions) != 0) {
+						foreach($database_permissions as $row) {
+							if ($row['permission_name'] == $app_permission['name']) {
+								$permission_found = true;
+							}
+						}
+					}
+
+					//add the permission to the array
+					if (!$permission_found) {
+						$array['permissions'][$x]['permission_uuid'] = uuid();
+						$array['permissions'][$x]['permission_name'] = $app_permission['name'];
+						$array['permissions'][$x]['application_name'] = $app['name'];
+						$array['permissions'][$x]['application_uuid'] = $app['uuid'];
+						$array['permissions'][$x]['insert_date'] = 'now()';
+						$x++;
+					}
 				}
 			}
 		}