diff --git a/udev/udev-usb-remove b/udev/udev-usb-remove
index 5a728bf..5fbb46e 100755
--- a/udev/udev-usb-remove
+++ b/udev/udev-usb-remove
@@ -4,7 +4,7 @@
 [ "`echo $TYPE | cut -f1 -d/`" = "9" ] && exit 0
 
 NAME=`basename ${DEVPATH} | tr . _`
-QDB_KEY="/qubes-usb-devices/$NAME"
+QDB_KEY="/qubes-usb-devices/$NAME/"
 
 qubesdb-rm "$QDB_KEY"
 qubesdb-write /qubes-usb-devices ''