diff --git a/home/dotfiles/bash_profile b/home/dotfiles/bash_profile
index b2faa22..04db23d 100644
--- a/home/dotfiles/bash_profile
+++ b/home/dotfiles/bash_profile
@@ -1 +1,4 @@
+#!/bin/bash
+
+# shellcheck source=profile
 source ~/.profile
diff --git a/home/dotfiles/bashrc b/home/dotfiles/bashrc
index 4b1784d..7abaa95 100644
--- a/home/dotfiles/bashrc
+++ b/home/dotfiles/bashrc
@@ -1,6 +1,4 @@
-#
-# ~/.bashrc
-#
+#!/bin/bash
 
 # If not running interactively, don't do anything
 [[ $- != *i* ]] && return
diff --git a/home/dotfiles/zprofile b/home/dotfiles/zprofile
index b2faa22..9101895 100644
--- a/home/dotfiles/zprofile
+++ b/home/dotfiles/zprofile
@@ -1 +1,3 @@
+#!/bin/zsh
+
 source ~/.profile