diff --git a/simulators/simic910.c b/simulators/simic910.c
index 4b539de50..1496d2d0f 100644
--- a/simulators/simic910.c
+++ b/simulators/simic910.c
@@ -122,6 +122,8 @@ void frameParse(int fd, unsigned char *frame, int len)
         dumphex(frame, len);
         return;
     }
+    frame[2] = 0xe0;
+    frame[3] = 0x60;
 
     switch (frame[4])
     {