diff --git a/src/router.ps1 b/src/router.ps1
index b3139be..ed7aca7 100644
--- a/src/router.ps1
+++ b/src/router.ps1
@@ -95,7 +95,9 @@ function Dispatch-Request {
         # Always return something so clients don't hang
         try {
             $Context.Response.StatusCode = 500
-            $msg = "Dispatch error: $($_.Exception.Message)"
+            $pos = if ($_.InvocationInfo) { $_.InvocationInfo.PositionMessage } else { "" }
+            $stk = if ($_.ScriptStackTrace) { $_.ScriptStackTrace } else { "" }
+            $msg = "Dispatch error: $($_.Exception.Message)`n$pos`n$stk"
             $bytes = [Text.Encoding]::UTF8.GetBytes($msg)
             $Context.Response.ContentType = 'text/plain; charset=utf-8'
             $Context.Response.ContentLength64 = $bytes.Length