diff --git a/util/z60_flashprog.rules b/util/z60_flashprog.rules
index 3efad57..a0304d0 100644
--- a/util/z60_flashprog.rules
+++ b/util/z60_flashprog.rules
@@ -93,7 +93,8 @@
 # Winchiphead (WCH) CH341a based programmer
 ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="5512", MODE="664", GROUP="plugdev"
 
-# Winchiphead (WCH) CH347 based programmer
+# Winchiphead (WCH) CH347T/F based programmers
 ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="55db", MODE="664", GROUP="plugdev"
+ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="55de", MODE="664", GROUP="plugdev"
 
 LABEL="flashprog_rules_end"