diff --git a/images/make_250x250_thumbnails/go.sh b/images/make_250x250_thumbnails/go.sh
index 4b69feb..38eb2e1 100755
--- a/images/make_250x250_thumbnails/go.sh
+++ b/images/make_250x250_thumbnails/go.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 input_dir="$HOME/Desktop/Definitely_NOT_Porn"
 exts="jpg,jpeg,JPG,png,gif"
diff --git a/system/macos/basic_IM_utilities_setup/lib/echos.sh b/system/macos/basic_IM_utilities_setup/lib/echos.sh
index bcf8503..31bab26 100755
--- a/system/macos/basic_IM_utilities_setup/lib/echos.sh
+++ b/system/macos/basic_IM_utilities_setup/lib/echos.sh
@@ -1,4 +1,4 @@
-#!//bin/bash
+#!/usr/bin/env bash
 
 # ---------------------------------------------------------------------------- #
 #   Colorized echo helpers and functions
diff --git a/system/macos/basic_IM_utilities_setup/lib/functions.sh b/system/macos/basic_IM_utilities_setup/lib/functions.sh
index 9a931fe..8db29cd 100755
--- a/system/macos/basic_IM_utilities_setup/lib/functions.sh
+++ b/system/macos/basic_IM_utilities_setup/lib/functions.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 function check_homebrew() {
   brew_check=$(command -v brew) > /dev/null 2>&1
diff --git a/system/macos/basic_IM_utilities_setup/setup.sh b/system/macos/basic_IM_utilities_setup/setup.sh
index 11e82ae..3be7a6b 100755
--- a/system/macos/basic_IM_utilities_setup/setup.sh
+++ b/system/macos/basic_IM_utilities_setup/setup.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Install Homebrew
 # ----------------------------------------------------------------