diff --git a/ssh-pubkey/ssh-pubkey b/ssh-pubkey/ssh-pubkey
index 84e47da..eaa5e93 100644
--- a/ssh-pubkey/ssh-pubkey
+++ b/ssh-pubkey/ssh-pubkey
@@ -4,29 +4,29 @@ set -u
 
 main() {
 
-    if [ ! -d "$HOME/.ssh" ]; then
-        mkdir -p "$HOME/.ssh/"
-        chmod 0700 "$HOME/.ssh/"
+    if [ ! -d ~/.ssh ]; then
+        mkdir -p ~/.ssh/
+        chmod 0700 ~/.ssh/
     fi
 
-    if [ ! -f "$HOME/.ssh/config" ]; then
+    if [ ! -f ~/.ssh/config ]; then
         # for the benefit of VSCode
-        touch "$HOME/.ssh/config"
-        chmod 0644 "$HOME/.ssh/config"
+        touch ~/.ssh/config
+        chmod 0644 ~/.ssh/config
     fi
 
-    if [ ! -f "$HOME/.ssh/authorized_keys" ]; then
-        touch "$HOME/.ssh/authorized_keys"
-        chmod 0600 "$HOME/.ssh/authorized_keys"
+    if [ ! -f ~/.ssh/authorized_keys ]; then
+        touch ~/.ssh/authorized_keys
+        chmod 0600 ~/.ssh/authorized_keys
     fi
 
-    if [ ! -f "$HOME/.ssh/id_rsa" ]; then
-        ssh-keygen -b 2048 -t rsa -f "$HOME/.ssh/id_rsa" -q -N ""
+    if [ ! -f ~/.ssh/id_rsa ]; then
+        ssh-keygen -b 2048 -t rsa -f ~/.ssh/id_rsa -q -N ""
         echo >&2 ""
     fi
 
-    if [ ! -f "$HOME/.ssh/id_rsa.pub" ]; then
-        ssh-keygen -y -f "$HOME/.ssh/id_rsa" > "$HOME/.ssh/id_rsa.pub"
+    if [ ! -f ~/.ssh/id_rsa.pub ]; then
+        ssh-keygen -y -f ~/.ssh/id_rsa > ~/.ssh/id_rsa.pub
         echo >&2 ""
     fi