diff --git a/src/test/java/de/ozgcloud/xta/client/extension/XtaMessageExampleLoader.java b/src/test/java/de/ozgcloud/xta/client/extension/XtaMessageExampleLoader.java
index a4207e63d8e1969f0ac0465fdf64cb78fb91c1ed..049653ae70f7974c0c783d99db90f657bb17378b 100644
--- a/src/test/java/de/ozgcloud/xta/client/extension/XtaMessageExampleLoader.java
+++ b/src/test/java/de/ozgcloud/xta/client/extension/XtaMessageExampleLoader.java
@@ -180,7 +180,7 @@ public class XtaMessageExampleLoader {
 	}
 
 	private static DataHandler createContentDataHandler(byte[] data) {
-		return new DataHandler(new FileDataSource("application/octet-stream"));
+		return new DataHandler(new ByteArrayDataSource(data, "application/octet-stream"));
 	}
 
 	private static byte[] readBytesFromResource(String path) {