diff --git a/src/Az.BootStrapper/Module/Az.Bootstrapper.psm1 b/src/Az.BootStrapper/Module/Az.Bootstrapper.psm1
index ed711454..a99d8f29 100644
--- a/src/Az.BootStrapper/Module/Az.Bootstrapper.psm1
+++ b/src/Az.BootStrapper/Module/Az.Bootstrapper.psm1
@@ -169,9 +169,11 @@ function Get-AzProfileMap
   [CmdletBinding()]
   param([Switch]$Update)
 
-  $azBootStrapperLocalProfile = [System.Environment]::GetEnvironmentVariable("AzBootStrapperLocalProfile","Machine")
+  # Must use Get-Item and not [Environment]::GetEnvironmentVariable since the latter doesn't work on Unix systems.
+  $azBootStrapperLocalProfile = Get-Item -Path Env:AzBootStrapperLocalProfile -ErrorAction SilentlyContinue
   if ($azBootStrapperLocalProfile)
   {
+    $azBootStrapperLocalProfile = $azBootStrapperLocalProfile.Value
     $scriptBlock = {
         Get-Content -Path $azBootStrapperLocalProfile -ErrorAction stop | ConvertFrom-Json 
     }
diff --git a/src/Az.BootStrapper/readme.md b/src/Az.BootStrapper/readme.md
index 15e2cf41..ddd81790 100644
--- a/src/Az.BootStrapper/readme.md
+++ b/src/Az.BootStrapper/readme.md
@@ -20,7 +20,7 @@ Install-AzProfile -Profile <PROFILE_VERSION>
 - To install local profile, set the environment variable AzBootStrapperLocalProfile with the full path to the local profile on your system.
 
 ```
-[Environment]::SetEnvironmentVariable("AzBootStrapperLocalProfile", <PATH_TO_PROFILE_JSON>, [System.EnvironmentVariableTarget]::Machine)
+Set-Item -Path Env:AzBootStrapperLocalProfile -Value <FULL_PATH_TO_PROFILE_JSON>
 Set-BootStrapRepo -Repo <REPOSITORY>
 Install-AzProfile -Profile <PROFILE_VERSION>
 ```