diff --git a/package/acx-mac80211/Makefile b/package/acx-mac80211/Makefile
index 2fcf3a6f4..ad498824e 100644
--- a/package/acx-mac80211/Makefile
+++ b/package/acx-mac80211/Makefile
@@ -22,7 +22,8 @@ PKG_SOURCE_VERSION:=$(PKG_REV)
 
 PKG_FW_C16_NAME:=tiacx111c16
 PKG_FW_C16_URL:=http://teknoraver.net/software/acx-mac80211/
-PKG_FW_C16_MD5SUM:=7026826460376f6b174f9225bd7781b9
+#PKG_FW_C16_MD5SUM:=fcd07de4b25e1d2aaf3b78b27c5b7ee9	#version 1.2.1.34
+PKG_FW_C16_MD5SUM:=7026826460376f6b174f9225bd7781b9	#version 2.3.1.31
 
 PKG_FW_C19_NAME:=tiacx111c19
 PKG_FW_C19_URL:=http://ipkg.k1k2.de/files/