diff --git a/application/clicommands/WebCommand.php b/application/clicommands/WebCommand.php
index 67d50a343..5a364a7c9 100644
--- a/application/clicommands/WebCommand.php
+++ b/application/clicommands/WebCommand.php
@@ -67,7 +67,7 @@ class WebCommand extends Command
     {
         // TODO: No, that's NOT what we want
         $prog = readlink('/proc/self/exe');
-        `killall $prog`;
+        shell_exec("killall $prog");
     }
 
     protected function forkAndExit()