diff --git a/perl-homedir.csh b/perl-homedir.csh
index eaacb37..1c7dc49 100644
--- a/perl-homedir.csh
+++ b/perl-homedir.csh
@@ -11,10 +11,10 @@ if (-f "$HOME/.perl-homedir") then
 	eval `sed -ne 's|^[[:blank:]]*\([^#=]\{1,\}\)=\([^=]*\)|setenv \1 \2;|p' "$HOME/.perl-homedir"`
 endif
 
-alias perlll 'eval "`perl -Mlocal::lib`"'
+alias perlll 'eval "`env SHELL=csh perl -Mlocal::lib`"'
 
 # if system default
 if ("x$PERL_HOMEDIR" == "x1") then
-	eval "`perl -Mlocal::lib`"
+	eval "`env SHELL=csh perl -Mlocal::lib`"
 endif