diff --git a/core/CliMulti/Process.php b/core/CliMulti/Process.php
index b92cb334108..b08181226ec 100644
--- a/core/CliMulti/Process.php
+++ b/core/CliMulti/Process.php
@@ -158,7 +158,7 @@ public static function isSupported()
 
     private static function shellExecFunctionExists()
     {
-        $command = 'pcntl_signal_dispatch';
+        $command = 'shell_exec';
         $disabled = explode(',', ini_get('disable_functions'));
         return !in_array($command, $disabled);
     }