diff --git a/source/HOP-Core-Tests/HOPSnapshotRouteHandlerTest.class.st b/source/HOP-Core-Tests/HOPSnapshotRouteHandlerTest.class.st
new file mode 100644
index 0000000..06c8a05
--- /dev/null
+++ b/source/HOP-Core-Tests/HOPSnapshotRouteHandlerTest.class.st
@@ -0,0 +1,45 @@
+Class {
+	#name : 'HOPSnapshotRouteHandlerTest',
+	#superclass : 'TestCase',
+	#instVars : [
+		'uriSpace',
+		'directory'
+	],
+	#category : 'HOP-Core-Tests-Tests',
+	#package : 'HOP-Core-Tests',
+	#tag : 'Tests'
+}
+
+{ #category : 'running' }
+HOPSnapshotRouteHandlerTest >> setUp [ 
+	super setUp.
+	directory := (FileLocator temp / ('hop-snapshot-', UUID new asString36)) ensureCreateDirectory.
+	uriSpace := (HOPUriSpace /+ #scim) root.
+	uriSpace / #scim @@ (#POST -> (HOPPluggableHandler new block: [ :req | #ok ])).
+	uriSpace addHandler: (HOPTestSnapshotRouteHandler new path: directory; yourself)
+]
+
+{ #category : 'running' }
+HOPSnapshotRouteHandlerTest >> tearDown [ 
+	directory ifNotNil: [ directory ensureDeleteAll ].
+	super tearDown
+]
+
+{ #category : 'tests' }
+HOPSnapshotRouteHandlerTest >> testSnapshotKeepsTheBytesOnTheWire [
+	"Der Mitschnitt gibt die Bytes des Requests unveraendert wieder. Auf einem
+	Zeichen-Strom kodiert der UTF-8-Encoder jedes Byte ueber 127 ein zweites
+	Mal - aus C3 9F wird C3 83 C2 9F, und der Rumpf enthaelt dann nicht mehr,
+	was der Client geschickt hat."
+	| body request snapshot |
+	body := '{"familyName":"Faaßen"}'.
+	request := (ZnRequest post: #scim) 
+		entity: (ZnEntity with: body type: ZnMimeType applicationJson);
+		yourself.
+	uriSpace asZincDelegate handleRequest: request.
+	snapshot := ZnCharacterEncoder utf8 decodeBytes: 
+		(directory files detect: [ :each | each basename beginsWith: 'SCIM-' ]) binaryReadStream upToEnd.
+	self 
+		assert: (snapshot includesSubstring: body)
+		description: 'Der Mitschnitt gibt den Rumpf nicht Byte fuer Byte wieder'
+]
diff --git a/source/HOP-Core-Tests/HOPTestSnapshotRouteHandler.class.st b/source/HOP-Core-Tests/HOPTestSnapshotRouteHandler.class.st
new file mode 100644
index 0000000..03cff77
--- /dev/null
+++ b/source/HOP-Core-Tests/HOPTestSnapshotRouteHandler.class.st
@@ -0,0 +1,21 @@
+Class {
+	#name : 'HOPTestSnapshotRouteHandler',
+	#superclass : 'HOPSnapshotRouteHandler',
+	#instVars : [
+		'testPath'
+	],
+	#category : 'HOP-Core-Tests-Tests',
+	#package : 'HOP-Core-Tests',
+	#tag : 'Tests'
+}
+
+{ #category : 'accessing' }
+HOPTestSnapshotRouteHandler >> path [
+	"Statt /data/logs, damit ein Test den Mitschnitt wieder einlesen kann."
+	^ testPath
+]
+
+{ #category : 'accessing' }
+HOPTestSnapshotRouteHandler >> path: aFileReference [
+	testPath := aFileReference
+]
diff --git a/source/HOP-Core/HOPSnapshotRouteHandler.class.st b/source/HOP-Core/HOPSnapshotRouteHandler.class.st
index d365241..e8faf12 100644
--- a/source/HOP-Core/HOPSnapshotRouteHandler.class.st
+++ b/source/HOP-Core/HOPSnapshotRouteHandler.class.st
@@ -15,10 +15,10 @@ HOPSnapshotRouteHandler >> handleRoute: aRoute [
 	| response |
 	(self loggingEnabled: aRoute) ifFalse: [ ^ super handleRoute: aRoute ].
 
-	self withStreamDo: [ :stream |.
+	self withStreamDo: [ :stream |
 		aRoute request writeOn: stream.
 		stream 
-			nextPutAll: String crlf;
+			nextPutAll: String crlf utf8Encoded;
 			flush.
 		[
 			[
@@ -30,7 +30,8 @@ HOPSnapshotRouteHandler >> handleRoute: aRoute [
 			]
 			on: Error 
 			do: [ :error | 
-				error signalerContext printDebugStackOn: stream.
+				stream nextPutAll: (String streamContents: [ :out |
+					error signalerContext printDebugStackOn: out ]) utf8Encoded.
 				stream flush.
 				error pass  ]
 		]
@@ -54,8 +55,12 @@ HOPSnapshotRouteHandler >> path [
 
 { #category : 'as yet unclassified' }
 HOPSnapshotRouteHandler >> withStreamDo: aBlock [ 
+	"Ein Byte-Strom, denn ZnMessage>>writeOn: schreibt Bytes. Auf einem
+	Zeichen-Strom kodiert der UTF-8-Encoder jedes Byte ueber 127 ein zweites
+	Mal: aus C3 9F wird C3 83 C2 9F, aus 'Faassen' wird 'FaaAYen'. Der
+	Mitschnitt wuerde dann laenger als sein eigenes Content-Length."
 	| stream |
-	stream := self filename writeStream.
+	stream := self filename binaryWriteStream.
 	[ aBlock value: stream ]
 		ensure: [ 
 			stream