diff --git a/benchmark-reverse.bash b/benchmark-reverse.bash
index e5f375d..2cb1e94 100755
--- a/benchmark-reverse.bash
+++ b/benchmark-reverse.bash
@@ -4,6 +4,7 @@
 
 cd "$(dirname "$0")"
 MYNAME=$(basename "$0")
+source tests/fuse-unmount.bash
 
 # Download /tmp/linux-3.0.tar.gz
 ./tests/dl-linux-tarball.bash
@@ -29,7 +30,7 @@ gocryptfs -q -init -reverse -extpass="echo test" -scryptn=10 $PLAIN
 MNT=$(mktemp -d /tmp/linux-3.0.reverse.mnt.XXX)
 
 # Cleanup trap
-trap "rm -f $PLAIN/.gocryptfs.reverse.conf ; fusermount -u -z $MNT ; rmdir $MNT" EXIT
+trap "rm -f $PLAIN/.gocryptfs.reverse.conf ; fuse-unmount -z $MNT ; rmdir $MNT" EXIT
 
 # Mount
 gocryptfs -q -reverse -extpass="echo test" $PLAIN $MNT
diff --git a/benchmark.bash b/benchmark.bash
index d53e718..b1c334e 100755
--- a/benchmark.bash
+++ b/benchmark.bash
@@ -5,6 +5,7 @@
 
 cd "$(dirname "$0")"
 MYNAME=$(basename "$0")
+source tests/fuse-unmount.bash
 
 function usage {
 	echo "Usage: $MYNAME [-encfs] [-openssl=true] [-openssl=false] [DIR]"
@@ -70,7 +71,7 @@ else
 fi
 
 # Cleanup trap
-trap "cd /; fusermount -u -z $MNT; rm -rf $CRYPT $MNT" EXIT
+trap "cd /; fuse-unmount -z $MNT; rm -rf $CRYPT $MNT" EXIT
 
 # Benchmarks
 ./tests/canonical-benchmarks.bash $MNT
diff --git a/contrib/fusermount b/contrib/fusermount
deleted file mode 100755
index 15c12a0..0000000
--- a/contrib/fusermount
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/bin/bash -eu
-#
-# Mac OS X does not have fusermount. Put this script into
-# your $PATH to emulate it using umount.
-#
-cd "$(dirname "$0")"
-MYNAME=$(basename "$0")
-if [[ $# -lt 1 ]] ; then
-	echo "$PWD/$MYNAME: missing argument"
-	exit 1
-fi
-# Get the mount point from the last argument, ignore everything else
-M=${@: -1}
-exec umount "$M"
diff --git a/test.bash b/test.bash
index 4ca50ef..305d135 100755
--- a/test.bash
+++ b/test.bash
@@ -18,9 +18,10 @@ if ! flock --nonblock 200 ; then
 fi
 
 # Clean up dangling filesystems
+source tests/fuse-unmount.bash
 for i in $(cat /proc/mounts | grep $TESTDIR | cut -f2 -d" "); do
 	echo "Warning: unmounting leftover filesystem: $i"
-	fusermount -u $i
+	fuse-unmount $i
 done
 
 source build-without-openssl.bash
diff --git a/tests/fuse-unmount.bash b/tests/fuse-unmount.bash
new file mode 100755
index 0000000..087b6fe
--- /dev/null
+++ b/tests/fuse-unmount.bash
@@ -0,0 +1,27 @@
+#!/bin/bash -eu
+#
+# Compatability wrapper around "fusermount" on Linux and "umount" on
+# Mac OS X and friends.
+#
+# This script can be sourced or executed directly.
+#
+function fuse-unmount {
+	local MYNAME=$(basename "$BASH_SOURCE")
+	if [[ $# -eq 0 ]] ; then
+		echo "$MYNAME: missing argument"
+		exit 1
+	fi
+	if [[ $OSTYPE == linux* ]] ; then
+		fusermount -u "$@"
+	else
+		# Mountpoint is in last argument, ignore anything else
+		# (like additional flags for fusermount).
+		local MNT=${@:$#}
+		umount "$MNT"
+	fi
+}
+# If the process name and the source file name is identical
+# we have been executed, not sourced.
+if [[ $(basename "$0") == $(basename "$BASH_SOURCE") ]] ; then
+	fuse-unmount "$@"
+fi
diff --git a/tests/reverse/linux-tarball-test.bash b/tests/reverse/linux-tarball-test.bash
index 5fbc3fc..e8ecca6 100755
--- a/tests/reverse/linux-tarball-test.bash
+++ b/tests/reverse/linux-tarball-test.bash
@@ -5,6 +5,7 @@ set -eu
 cd "$(dirname "$0")"
 MD5="$PWD/../stress_tests/linux-3.0.md5sums"
 MYNAME=$(basename "$0")
+source ../fuse-unmount.bash
 
 # Setup dirs
 cd /tmp
@@ -12,7 +13,7 @@ wget -nv --show-progress -c https://www.kernel.org/pub/linux/kernel/v3.0/linux-3
 WD=$(mktemp -d /tmp/$MYNAME.XXX)
 
 # Cleanup trap
-trap "set +u; cd /; fusermount -u -z $WD/c; fusermount -u -z $WD/b; rm -rf $WD" EXIT
+trap "set +u; cd /; fuse-unmount -z $WD/c; fuse-unmount -z $WD/b; rm -rf $WD" EXIT
 
 cd $WD
 mkdir a b c
diff --git a/tests/stress_tests/extractloop.bash b/tests/stress_tests/extractloop.bash
index 2c139ab..18fc4ef 100755
--- a/tests/stress_tests/extractloop.bash
+++ b/tests/stress_tests/extractloop.bash
@@ -14,6 +14,7 @@ set -eu
 cd "$(dirname "$0")"
 MD5="$PWD/linux-3.0.md5sums"
 MYNAME=$(basename "$0")
+source ../fuse-unmount.bash
 
 # Setup dirs
 cd /tmp
@@ -49,8 +50,8 @@ ln -sTf $CSV /tmp/extractloop.csv
 
 # Cleanup trap
 # Note: gocryptfs may have already umounted itself because bash relays SIGINT
-# Just ignore fusermount errors.
-trap "cd /; fusermount -u -z $MNT; rm -rf $CRYPT $MNT" EXIT
+# Just ignore unmount errors.
+trap "cd /; fuse-unmount -z $MNT; rm -rf $CRYPT $MNT" EXIT
 
 function loop {
 	# Note: In a subshell, $$ returns the PID of the parent shell.
diff --git a/tests/stress_tests/fsstress-gocryptfs.bash b/tests/stress_tests/fsstress-gocryptfs.bash
index 51c68db..432899a 100755
--- a/tests/stress_tests/fsstress-gocryptfs.bash
+++ b/tests/stress_tests/fsstress-gocryptfs.bash
@@ -14,6 +14,10 @@
 
 set -eu
 
+cd "$(dirname "$0")"
+MYNAME=$(basename $0)
+source ../fuse-unmount.bash
+
 # Backing directory
 DIR=$(mktemp -d /tmp/fsstress.XXX)
 # Mountpoint
@@ -28,13 +32,12 @@ then
 fi
 
 # Setup
-fusermount -u -z $MNT &> /dev/null || true
+fuse-unmount -z $MNT &> /dev/null || true
 mkdir -p $DIR $MNT
 rm -Rf $DIR/*
 rm -Rf $MNT/*
 
 # FS-specific compile and mount
-MYNAME=$(basename $0)
 if [ $MYNAME = fsstress-loopback.bash ]; then
 	echo "Recompile go-fuse loopback"
 	cd $GOPATH/src/github.com/hanwen/go-fuse/example/loopback
@@ -62,7 +65,7 @@ done
 echo
 
 # Cleanup trap
-trap "kill %1 ; cd /; fusermount -u -z $MNT; rm -rf $DIR $MNT" EXIT
+trap "kill %1 ; cd /; fuse-unmount -z $MNT; rm -rf $DIR $MNT" EXIT
 
 echo "Starting fsstress loop"
 N=1
diff --git a/tests/stress_tests/pingpong.bash b/tests/stress_tests/pingpong.bash
index ebcb8c5..02aabc9 100755
--- a/tests/stress_tests/pingpong.bash
+++ b/tests/stress_tests/pingpong.bash
@@ -11,6 +11,7 @@ set -eu
 cd "$(dirname "$0")"
 MD5="$PWD/linux-3.0.md5sums"
 MYNAME=$(basename $0)
+source ../fuse-unmount.bash
 
 # Setup
 cd /tmp
@@ -22,8 +23,8 @@ mkdir $PING.mnt $PONG.mnt
 
 # Cleanup trap
 # Note: gocryptfs may have already umounted itself because bash relays SIGINT
-# Just ignore fusermount errors.
-trap "set +e ; cd /tmp; fusermount -u -z $PING.mnt ; fusermount -u -z $PONG.mnt ; rm -rf $PING $PONG $PING.mnt $PONG.mnt" EXIT
+# Just ignore unmount errors.
+trap "set +e ; cd /tmp; fuse-unmount -z $PING.mnt ; fuse-unmount -z $PONG.mnt ; rm -rf $PING $PONG $PING.mnt $PONG.mnt" EXIT
 
 gocryptfs -q -init -extpass="echo test" -scryptn=10 $PING
 gocryptfs -q -init -extpass="echo test" -scryptn=10 $PONG