diff --git a/debian/rules b/debian/rules
index 40689c0..2ae73f3 100755
--- a/debian/rules
+++ b/debian/rules
@@ -7,7 +7,7 @@ DESTDIR=debian/libccid
 
 override_dh_auto_configure:
 	# add support of the GemPC Twin in serial mode
-	dh_auto_configure -- --enable-twinserial 
+	dh_auto_configure -- --enable-twinserial --enable-serialconfdir=/etc/reader.conf.d
 
 override_dh_auto_install:
 	dh_auto_install