diff --git a/debian/mergerfs.postinst b/debian/mergerfs.postinst
new file mode 100755
index 00000000..8a0cef8b
--- /dev/null
+++ b/debian/mergerfs.postinst
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+case "${1}" in
+    configure)
+        chmod 4755 /bin/mergerfs-fusermount
+        ;;
+esac
diff --git a/debian/rules b/debian/rules
index 738fb567..600eb901 100755
--- a/debian/rules
+++ b/debian/rules
@@ -2,10 +2,11 @@
 # -*- makefile -*-
 
 # Uncomment this to turn on verbose mode.
-#export DH_VERBOSE=1
+export DH_VERBOSE=1
 
 %:
 	dh $@ --parallel
 
 override_dh_auto_install:
-	$(MAKE) DESTDIR=$(CURDIR)/debian/mergerfs PREFIX=/usr install
+	$(MAKE) DESTDIR=$(CURDIR)/debian/mergerfs PREFIX=/usr install-base
+	$(MAKE) DESTDIR=$(CURDIR)/debian/mergerfs PREFIX= install-mount-tools