diff --git a/modules/Export-Image.ps1 b/modules/Export-Image.ps1
index 0bfc50f..75f4136 100644
--- a/modules/Export-Image.ps1
+++ b/modules/Export-Image.ps1
@@ -6,9 +6,15 @@
     [string]$documentationRoot="" # Only relevant when outputFolder is set
 )
 
-Set-StrictMode -Version 3.0
+Set-StrictMode -Version 2.0
 $ErrorActionPreference = 'Stop'
-$PSNativeCommandUseErrorActionPreference = $true
+
+function Get-RelativePath([string]$basePath, [string]$targetPath) {
+    $baseUri = New-Object System.Uri(($basePath.TrimEnd('\', '/') + '\'))
+    $targetUri = New-Object System.Uri($targetPath)
+    $relUri = $baseUri.MakeRelativeUri($targetUri)
+    return [System.Uri]::UnescapeDataString($relUri.ToString()) -replace '/', [IO.Path]::DirectorySeparatorChar
+}
 
 function Export-Svg([string[]]$libPath, [string]$svgPath, [string]$workflowFile) {
     $bootstrapperArgs = @()
@@ -20,13 +26,17 @@ function Export-Svg([string[]]$libPath, [string]$svgPath, [string]$workflowFile)
     $bootstrapperArgs += "$svgPath"
     $bootstrapperArgs += "$workflowFile"
 
-    if (!$IsWindows) {
+    $isWindowsPlatform = if ($null -eq (Get-Variable 'IsWindows' -ErrorAction SilentlyContinue)) { $true } else { $IsWindows }
+    if (!$isWindowsPlatform) {
         $bootstrapperArgs = @($bootstrapperPath) + $bootstrapperArgs
         $bootstrapperPath = 'mono'
     }
 
     Write-Verbose "$($bootstrapperPath) $($bootstrapperArgs)"
     &$bootstrapperPath $bootstrapperArgs
+    if ($LASTEXITCODE -ne 0) {
+        throw "Export failed for '$workflowFile' with exit code $LASTEXITCODE."
+    }
 }
 
 if (-not $documentationRoot) {
@@ -35,10 +45,9 @@ if (-not $documentationRoot) {
 
 Import-Module (Join-Path $PSScriptRoot "Export-Tools.psm1") -Verbose:$false
 
-$sessionPath = $ExecutionContext.SessionState.Path
 foreach ($workflowFile in Get-ChildItem -File -Recurse (Join-Path $workflowPath "*.bonsai")) {
     $svgPath = Join-Path $workflowFile.DirectoryName "$($workflowFile.BaseName).svg"
-    $svgPathRelative = [IO.Path]::GetRelativePath($documentationRoot, $svgPath)
+    $svgPathRelative = Get-RelativePath $documentationRoot $svgPath
 
     if ($outputFolder) {
         $svgPath = Join-Path $outputFolder $svgPathRelative