--- modules-3.2.9/utility.c	2011-11-28 22:27:13.000000000 +0100

+++ modules-3.2.9-new/utility.c	2012-06-13 15:17:41.570629148 +0200

@@ -727,7 +727,7 @@ int Output_Modulefile_Changes(	Tcl_Inter

 			output_unset_variable( (char*) key);

 		} else {

 			val = EMGetEnv(interp, key);

-			if(val && *val)

+			if(val)

 				output_set_variable(interp, (char*) key, val);

 			null_free((void *)&val;;

 		}