diff --git a/includes/common.php b/includes/common.php
index 54e95b7b49..c4c3b99a2e 100644
--- a/includes/common.php
+++ b/includes/common.php
@@ -1643,7 +1643,8 @@ function set_numeric($value, $default = 0)
 
 function check_git_exists()
 {
-    if (`which git`) {
+    exec('git > /dev/null 2>&1', $response, $exit_code);
+    if ($exit_code === 1) {
         return true;
     } else {
         return false;