--- 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);
}