diff --git a/config/profile b/config/profile
index 53abbd1..ad49953 100644
--- a/config/profile
+++ b/config/profile
@@ -14,9 +14,9 @@ dependencies=(
 )
 
 # Load dotfiles directory into DOTFILES_DIR
-# Dotfiles directory should be in environment or ~/.dotfiles-dir
-if [ -f "$HOME/.dotfiles-dir" ]; then
-    source "$HOME/.dotfiles-dir"
+# Dotfiles directory should be in environment or ~/.dotfiles-config
+if [ -f "$HOME/.dotfiles-config" ]; then
+    source "$HOME/.dotfiles-config"
 fi
 
 # PATHs
diff --git a/config/systemd/update-wallpapers.service b/config/systemd/update-wallpapers.service
index b15298c..b372dab 100644
--- a/config/systemd/update-wallpapers.service
+++ b/config/systemd/update-wallpapers.service
@@ -6,7 +6,7 @@ Type=simple
 User=brad
 Environment=DISPLAY=:0
 ExecStartPre=/bin/sleep 3
-# TODO: The file might not be here if ~/.dotfiles-dir set to somewhere else
+# TODO: The file might not be here if ~/.dotfiles-config set to somewhere else
 ExecStart=/home/brad/dotfiles/bin/start-wallpaper.sh
 
 [Install]
diff --git a/config/zshrc b/config/zshrc
index eef064a..5c5b2b9 100755
--- a/config/zshrc
+++ b/config/zshrc
@@ -149,8 +149,8 @@ if [ -n "$NO_GIT_CHECK" ] && [ ! "$NO_GIT_CHECK" -eq 1 ]; then
     elif [[ $dotfiles_version = 4 ]]; then
         echo "Dotfiles repository at $DOTFILES_DIR has diverged from origin"
     elif [[ $dotfiles_version = 5 ]]; then
-        echo "Dotfiles repository not set in $HOME/.dotfiles-dir"
-        echo "Please run ./install.sh in dotfiles repository and exit to create ~/.dotfiles-dir"
+        echo "Dotfiles repository not set in $HOME/.dotfiles-config"
+        echo "Please run ./install.sh in dotfiles repository and exit to create ~/.dotfiles-config"
         echo "The following will not work until this is set:"
         echo "  - oh-my-zsh will not be started"
         echo "  - gruvbox color palette will not be loaded"
diff --git a/dotfiles-local.sh b/dotfiles-local.sh
index a1671e1..b328512 100755
--- a/dotfiles-local.sh
+++ b/dotfiles-local.sh
@@ -5,11 +5,11 @@ source "$HOME/.profile"
 if [ -f "$HOME/.profile.local" ]; then
     source "$HOME/.profile.local"
 fi
-if [ -f "$HOME/.dotfiles-dir" ]; then
-    source "$HOME/.dotfiles-dir"
+if [ -f "$HOME/.dotfiles-config" ]; then
+    source "$HOME/.dotfiles-config"
 else
-    echo "Dotfiles repository not set in $HOME/.dotfiles-dir"
-    echo "Please run ./install.sh in dotfiles repository and exit to create ~/.dotfiles-dir"
+    echo "Dotfiles repository not set in $HOME/.dotfiles-config"
+    echo "Please run ./install.sh in dotfiles repository and exit to create ~/.dotfiles-config"
     exit 1
 fi
 if [ -z "$DOTFILES_LOCAL_REPOSITORY" ]; then
diff --git a/functions.sh b/functions.sh
index 8b3e845..24bc305 100644
--- a/functions.sh
+++ b/functions.sh
@@ -24,3 +24,21 @@ function user_service_enabled {
 
     return "$return_"
 }
+
+function update_dotfiles_config {
+    if [ "$#" != 2 ]; then
+        echo "Usage: update_dotfiles_config ENV_VARIABLE VALUE"
+        exit 1
+    fi
+    local var="$1"
+    local val="$2"
+
+    if [ ! -f "$HOME/.dotfiles-config" ]; then
+        touch "$HOME/.dotfiles-config"
+    fi
+    if [ $(cat "$HOME/.dotfiles-config" | grep -Eq "^export $1=.*$") ]; then
+        sed -i "s/$1=.*$/$1=$2/" "$HOME/.dotfiles-config"
+    else
+        echo "export $1=$2" >> "$HOME/.dotfiles-config"
+    fi
+}
diff --git a/install.sh b/install.sh
index 6a5724a..dc5c4d9 100755
--- a/install.sh
+++ b/install.sh
@@ -70,20 +70,26 @@
 # Then go into iTerm2 settings and set Source Code Pro for Powerline as the font
 
 dir="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )" # dotfiles repository directory
-# TODO: Migrate this to an environment variable in .profile.local
-if [ ! -f "$HOME/.dotfiles-dir" ]; then
+source "$DOTFILES_DIR"/functions.sh
+if [ -f "$HOME/.dotfiles-dir" ]; then
+    # Migrate legacy config
+    echo "Migrating .dotfiles-dir to .dotfiles-config"
+    mv "$HOME/.dotfiles-dir" "$HOME/.dotfiles-config"
+fi
+if [ ! -f "$HOME/.dotfiles-config" ]; then
     if [ ! -f "$dir/install.sh" ] || [ ! -f "$dir/dotfiles-local.sh" ]; then
         echo "Please run this script initially from within the dotfiles directory"
         exit 1
     fi
-    echo "Writing 'export DOTFILES_DIR=$dir' to $HOME/.dotfiles-dir"
-    echo "export DOTFILES_DIR=$dir" > "$HOME/.dotfiles-dir"
+    echo "Writing 'export DOTFILES_DIR=$dir' to $HOME/.dotfiles-config"
+    update_dotfiles_config "DOTFILES_DIR" "$dir"
+    # echo "export DOTFILES_DIR=$dir" > "$HOME/.dotfiles-config"
     echo ""
 else
-    echo "Loading existing $HOME/.dotfiles-dir"
+    echo "Loading existing $HOME/.dotfiles-config"
     echo ""
 fi
-source "$HOME/.dotfiles-dir"
+source "$HOME/.dotfiles-config"
 unset dir
 config_dir="$DOTFILES_DIR"/config
 packages_dir="$DOTFILES_DIR"/packages
@@ -93,7 +99,6 @@ pacman_args="--noconfirm --needed"
 restart_needed=0
 interactive=0
 
-source "$DOTFILES_DIR"/functions.sh
 if [ ! -L $DOTFILES_DIR/bin/dotfiles-install ]; then
     echo "Adding this script to PATH. 'dotfiles-install' to run in the future"
     ln -s "$DOTFILES_DIR/install.sh" "$DOTFILES_DIR/bin/dotfiles-install"