diff --git a/cmdline.ggo b/cmdline.ggo
index 19fa5ca..c66e1ae 100644
--- a/cmdline.ggo
+++ b/cmdline.ggo
@@ -25,7 +25,7 @@
 # for the parts of OpenSSL used as well as that of the covered work.
 
 option "verbose" v "Print more information" int optional default="0" argoptional
-option "reader" r "Only use a matching reader" string optional
+option "reader" r "Only use a matching reader" string optional default="Yubikey"
 option "key" k "Authentication key to use" string optional default="010203040506070801020304050607080102030405060708"
 option "action" a "Action to take" values="version","generate","set-mgm-key","reset","pin-retries","import-key" enum multiple
 option "slot" s "What key slot to operate on" values="9a","9c","9d","9e" enum optional