diff --git a/default.conf.yaml b/default.conf.yaml
index c7a5810..4b48be1 100644
--- a/default.conf.yaml
+++ b/default.conf.yaml
@@ -26,12 +26,12 @@
     ~/.gitattributes: git/gitattributes
     ~/.gitignore: git/gitignore
     ~/.my.cnf: mysql/.my.cnf
+    ~/.profile: etc/profile
     ~/.psqlrc: psql/.psqlrc
     ~/.task/hooks: task/hooks/
     ~/.taskrc: task/.taskrc
     ~/.tmux.conf: tmux/.tmux.conf
     ~/.vimrc: vim/.vimrc
     ~/.vim: vim/
-    ~/.zprofile: zsh/.zprofile
     ~/.zshenv: zsh/.zshenv
     ~/.zshrc: zsh/.zshrc
diff --git a/etc/profile b/etc/profile
new file mode 100644
index 0000000..996e845
--- /dev/null
+++ b/etc/profile
@@ -0,0 +1,24 @@
+source_if() {
+    if [ -e "$1" ]; then
+        source "$1"
+    fi
+}
+
+path_if() {
+    if [ -d "$1" ]; then
+        case ":$PATH:" in
+            *:"$1":*)
+                ;;
+            *)
+                PATH="${1}${PATH:+:$PATH}"
+        esac
+    fi
+}
+
+source_if "${HOME}/.nix-profile/etc/profile.d/nix.sh"
+
+path_if "$HOME/bin"
+path_if "$HOME/.local/bin"
+
+unset -f source_if
+unset -f path_if
diff --git a/zsh/.zprofile b/zsh/.zprofile
deleted file mode 100644
index cb65dcd..0000000
--- a/zsh/.zprofile
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env zsh
-
-if [ -e "${HOME}/.nix-profile/etc/profile.d/nix.sh" ]; then
-    source "${HOME}/.nix-profile/etc/profile.d/nix.sh"
-fi
-
-if [ -d "$HOME/bin" ] ; then
-    PATH="$HOME/bin:$PATH"
-fi
-
-if [ -d "$HOME/.local/bin" ] ; then
-    PATH="$HOME/.local/bin:$PATH"
-fi