3 files changed, 5 insertions, 3 deletions
diff --git a/src/SMAPI.Installer/assets/install on Linux.sh b/src/SMAPI.Installer/assets/install on Linux.sh
index 3b7eae9c..70b21521 100644
--- a/src/SMAPI.Installer/assets/install on Linux.sh
+++ b/src/SMAPI.Installer/assets/install on Linux.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 cd "`dirname "$0"`"
 internal/linux/SMAPI.Installer
diff --git a/src/SMAPI.Installer/assets/install on Windows.bat b/src/SMAPI.Installer/assets/install on Windows.bat
index b0d9ae81..c61a801e 100644
--- a/src/SMAPI.Installer/assets/install on Windows.bat
+++ b/src/SMAPI.Installer/assets/install on Windows.bat
@@ -4,7 +4,9 @@ setlocal enabledelayedexpansion
 SET installerDir="%~dp0"
 
 REM make sure we're not running within a zip folder
-echo %installerDir% | findstr /C:"%TEMP%" 1>nul
+REM The error level is usually 0 (install dir contains temp path), 1 (it doesn't), or 9009 (findstr doesn't exist due to a Windows issue).
+REM If the command doesn't exist, just skip this check.
+echo %installerDir% | findstr /C:"%TEMP%" 1>nul 2>null
 if %ERRORLEVEL% EQU 0 (
     echo Oops! It looks like you're running the installer from inside a zip file. Make sure you unzip the download first.
     echo.
diff --git a/src/SMAPI.Installer/assets/install on macOS.command b/src/SMAPI.Installer/assets/install on macOS.command
index abd21dc8..e85230ed 100644
--- a/src/SMAPI.Installer/assets/install on macOS.command
+++ b/src/SMAPI.Installer/assets/install on macOS.command
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 cd "`dirname "$0"`"