diff --git a/vm-systemd/qubes-mount-home.service b/vm-systemd/qubes-mount-home.service
index c6be2b5..bbed16c 100644
--- a/vm-systemd/qubes-mount-home.service
+++ b/vm-systemd/qubes-mount-home.service
@@ -6,7 +6,8 @@ Before=qubes-gui-agent.service
 Type=oneshot
 RemainAfterExit=yes
 ExecStart=/usr/lib/qubes/init/mount-home.sh
-ExecStop=/sbin/fuser -kMm /home ; /bin/umount /home
+# Fedora and Debian have different paths for fuser, so use 'which'
+ExecStop=/bin/sh -c '`/usr/bin/which fuser` -kMm /home' ; /bin/umount /home
 ExecStopPost=-/bin/umount /rw
 
 [Install]