diff --git a/awit-ssh b/awit-ssh
index 6afd189ca79cb51183a20abe8451f5aabedd2462..2a97b69c195116644fceea6ed56a14e5dcd38014 100755
--- a/awit-ssh
+++ b/awit-ssh
@@ -365,7 +365,7 @@ if ($ldapEntry) {
 	}
 	if (my $ldapLoginForwardPort = $ldapEntry->get_value('awitLoginForwardPort')) {
 		logger('INFO',"  - Forward port ".color('green')."%s".color('reset')." (awitLoginForwardPort)",$ldapLoginForwardPort);
-		$forwardPort //= $ldapLoginForwardPort;
+		$forwardPort = $ldapLoginForwardPort;
 	}
 	if (my $ldapLoginForwardUsername = $ldapEntry->get_value('awitLoginForwardUsername')) {
 		logger('INFO',"  - Forward user ".color('green')."%s".color('reset')." (awitLoginForwardUsername)",$ldapLoginForwardUsername);