diff --git a/roles/home-cli/files/shrc b/roles/home-cli/files/shrc
index 2e45905..72a17ca 100644
--- a/roles/home-cli/files/shrc
+++ b/roles/home-cli/files/shrc
@@ -45,24 +45,11 @@ set -o emacs
 set -o noclobber
 
 # Locale and language.
+## Clear the existing locale settings and set options I always want.
 export LC_ALL=
-export LANG="en_GB.UTF-8"
-export LANGUAGE="en_GB:en"
-export LC_ADDRESS="en_GB.UTF-8"
-export LC_COLLATE="en_GB.UTF-8"
-export LC_CTYPE="en_GB.UTF-8"
-export LC_IDENTIFICATION="en_GB.UTF-8"
-export LC_MEASUREMENT="en_GB.UTF-8"
-export LC_MESSAGES="en_GB.UTF-8"
-export LC_MONETARY="en_GB.UTF-8"
-export LC_NAME="en_GB.UTF-8"
-export LC_NUMERIC="en_GB.UTF-8"
-export LC_PAPER="en_GB.UTF-8"
-export LC_TELEPHONE="en_GB.UTF-8"
-export LC_TIME="en_GB.UTF-8"
-export PAPERSIZE="a4"
 export TIME_STYLE="long-iso"
-if [ -r /etc/default/locale ] && [ $(. /etc/default/locale && echo $LANG) = "fr_CA.UTF-8" ]; then
+## Use Canadian French if that is set as the system locale.
+if [ -r /etc/default/locale ] && [ $(. /etc/default/locale; echo $LANG) = "fr_CA.UTF-8" ]; then
     export LANG="fr_CA.UTF-8"
     export LANGUAGE="fr_CA:fr"
     export LC_COLLATE="fr_CA.UTF-8"
@@ -73,7 +60,25 @@ if [ -r /etc/default/locale ] && [ $(. /etc/default/locale && echo $LANG) = "fr_
     export LC_NAME="fr_CA.UTF-8"
     export LC_NUMERIC="fr_CA.UTF-8"
     export LC_TIME="fr_CA.UTF-8"
+else
+## Fall back to British English.
+    export LANG="en_GB.UTF-8"
+    export LANGUAGE="en_GB:en"
+    export LC_COLLATE="en_GB.UTF-8"
+    export LC_CTYPE="en_GB.UTF-8"
+    export LC_IDENTIFICATION="en_GB.UTF-8"
+    export LC_MEASUREMENT="en_GB.UTF-8"
+    export LC_MESSAGES="en_GB.UTF-8"
+    export LC_NAME="en_GB.UTF-8"
+    export LC_NUMERIC="en_GB.UTF-8"
+    export LC_TIME="en_GB.UTF-8"
 fi
+## These defaults depend on my physical location.
+export LC_ADDRESS="en_GB.UTF-8"
+export LC_MONETARY="en_GB.UTF-8"
+export LC_PAPER="en_GB.UTF-8"
+export LC_TELEPHONE="en_GB.UTF-8"
+export PAPERSIZE="a4"
 
 # Other exports.
 export ANSIBLE_NOCOWS=1