diff --git a/src/exchange/taler-config-generate b/src/exchange/taler-config-generate
index 3e9d7a780..2490f0cb3 100755
--- a/src/exchange/taler-config-generate
+++ b/src/exchange/taler-config-generate
@@ -130,6 +130,7 @@ fi
 if (test 1 = "$ARG_M")
 then
   $CS -s merchant -o WIREFORMAT -V "$ARG_W" || exit 1
+  $CS -s merchant -o EDATE -V "3 week" || exit 1
 
   if (test ! -z "$ARG_JM")
   then