diff --git a/src/libsystemd/sd-bus/bus-internal.h b/src/libsystemd/sd-bus/bus-internal.h
index 428e02612c9..e84ea0f6bff 100644
--- a/src/libsystemd/sd-bus/bus-internal.h
+++ b/src/libsystemd/sd-bus/bus-internal.h
@@ -325,7 +325,7 @@ struct sd_bus {
 #define BUS_WQUEUE_MAX (192*1024)
 #define BUS_RQUEUE_MAX (192*1024)
 
-#define BUS_MESSAGE_SIZE_MAX (64*1024*1024)
+#define BUS_MESSAGE_SIZE_MAX (128*1024*1024)
 #define BUS_AUTH_SIZE_MAX (64*1024)
 
 #define BUS_CONTAINER_DEPTH 128