diff --git a/zb-cleanup b/zb-cleanup
index 1c4a97c..fd17e42 100755
--- a/zb-cleanup
+++ b/zb-cleanup
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-source /etc/profile >&/dev/null
+source /etc/profile >/dev/null
 
 if [[ -z "$1" || -z "$2" ]] ; then
 	echo "usage: $0 <zfs_object> <density_percent> [max_age]" >&2
diff --git a/zb-pull b/zb-pull
index 2aaeac8..2162061 100755
--- a/zb-pull
+++ b/zb-pull
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-source /etc/profile >&/dev/null
+source /etc/profile >/dev/null
 
 if [[ -z "$1" || -z "$2" || -z "$3" ]] ; then
 	echo "usage: $0 <ssh_remote> <remote_zfs_object> <local_zfs_object>" >&2
diff --git a/zb-snap b/zb-snap
index 18ef74b..c29b237 100755
--- a/zb-snap
+++ b/zb-snap
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-source /etc/profile >&/dev/null
+source /etc/profile >/dev/null
 
 if [ -z "$1" ] ; then
 	echo "usage: $0 <zfs_object>" >&2