diff --git a/packages/debian/postinst b/packages/debian/postinst
index 0d6142fc..646a4619 100755
--- a/packages/debian/postinst
+++ b/packages/debian/postinst
@@ -2,3 +2,5 @@
 
 # remove old cache file
 [ -f /var/cache/sanoidsnapshots.txt ] && rm /var/cache/sanoidsnapshots.txt || true
+[ -f /var/cache/sanoid/snapshots.txt ] && rm /var/cache/sanoid/snapshots.txt || true
+[ -f /var/cache/sanoid/datasets.txt ] && rm /var/cache/sanoid/datasets.txt || true
diff --git a/packages/debian/rules b/packages/debian/rules
index 51e52af4..05a37542 100755
--- a/packages/debian/rules
+++ b/packages/debian/rules
@@ -12,10 +12,6 @@ override_dh_auto_install:
 	install -d $(DESTDIR)/etc/sanoid
 	install -m 664 sanoid.defaults.conf $(DESTDIR)/etc/sanoid
 
-	install -d $(DESTDIR)/lib/systemd/system
-	install -m 664 debian/sanoid-prune.service debian/sanoid.timer \
-		$(DESTDIR)/lib/systemd/system
-
 	install -d $(DESTDIR)/usr/sbin
 	install -m 775 \
 		findoid sanoid sleepymutex syncoid \
@@ -25,6 +21,8 @@ override_dh_auto_install:
 	install -m 664 sanoid.conf \
 		$(DESTDIR)/usr/share/doc/sanoid/sanoid.conf.example
 
+	dh_installsystemd --name sanoid-prune
+
 override_dh_installinit:
 	dh_installinit --noscripts
 
diff --git a/packages/debian/sanoid-prune.service b/packages/debian/sanoid.sanoid-prune.service
similarity index 100%
rename from packages/debian/sanoid-prune.service
rename to packages/debian/sanoid.sanoid-prune.service