diff --git a/git_deploy.module b/git_deploy.module
index 1eb246d..d4cddaa 100644
--- a/git_deploy.module
+++ b/git_deploy.module
@@ -32,8 +32,7 @@ function git_deploy_system_info_alter(&$info, $file, $type) {
       if (!isset($projects[$directory])) {
         $projects[$directory] = [];
         // Get upstream info.
-        list($core) = explode('.', $info['core']);
-        $upstream = _git_deploy_get_upstream($git, $is_core ? "$core*" : "$info[core]-*");
+        $upstream = _git_deploy_get_upstream($git, $is_core ? '7' : '7.x-*');
         // Find the project name based on fetch URL.
         if (isset($upstream['remote'])) {
           $fetch_url = exec("$git config --get remote.$upstream[remote].url 2> " . GIT_DEPLOY_ERROR_DUMP);