diff --git a/lgmask.in b/lgmask.in
index 17dbe4d..2195d91 100644
--- a/lgmask.in
+++ b/lgmask.in
@@ -1,4 +1,4 @@
-#! @PERL@
+#! /usr/bin/env perl
 
 #---------------------------------------------------------------------------
 #@COPYRIGHT :