diff --git a/C4/SIP/SIPServer.pm b/C4/SIP/SIPServer.pm
index 8d5be71624..f1c1ae448b 100755
--- a/C4/SIP/SIPServer.pm
+++ b/C4/SIP/SIPServer.pm
@@ -1,3 +1,5 @@
+#!/usr/bin/perl
+
 package C4::SIP::SIPServer;
 
 use strict;