diff --git a/dot_config/private_fish/env.fish.tmpl b/dot_config/private_fish/env.fish.tmpl
index 68a11b2..e53b203 100644
--- a/dot_config/private_fish/env.fish.tmpl
+++ b/dot_config/private_fish/env.fish.tmpl
@@ -93,15 +93,13 @@ set -x PATH $PATH $CARGO_HOME/bin
 # Nim
 set -ax PATH $HOME/.nimble/bin
 
-# Perl (generated by cpan; clean up by me)
-set -x PATH $HOME/perl5/bin $PATH
-set -q PERL5LIB; and set -x PERL5LIB $HOME/perl5/lib/perl5:$PERL5LIB
-set -q PERL5LIB; or set -x PERL5LIB $HOME/perl5/lib/perl5
-set -q PERL_LOCAL_LIB_ROOT; and set -x PERL_LOCAL_LIB_ROOT $HOME/perl5:$PERL_LOCAL_LIB_ROOT
-set -q PERL_LOCAL_LIB_ROOT; or set -x PERL_LOCAL_LIB_ROOT $HOME/perl5
-set -x PERL_MB_OPT --install_base\ \"$HOME/perl5\"
-set -x PERL_MM_OPT INSTALL_BASE=$HOME/perl5
-
+# Perl local::lib setup (XDG-compliant)
+set -l perlroot $XDG_DATA_HOME/perl5
+set -x PATH $perlroot/bin $PATH
+set -x PERL5LIB $perlroot/lib/perl5
+set -x PERL_LOCAL_LIB_ROOT $perlroot
+set -x PERL_MB_OPT "--install_base \"$perlroot\""
+set -x PERL_MM_OPT "INSTALL_BASE=$perlroot"
 
 # Parallel
 set -x PARALLEL_HOME $XDG_CACHE_HOME/parallel