diff --git a/debian/changelog b/debian/changelog
index 6eccc502..ac18980f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -22,6 +22,9 @@ byobu (5.6) unreleased; urgency=low
     usr/share/byobu/keybindings/f-keys: LP: #920661
     - byobu should not set environment variable 'SED'
     - use BYOBU_SED instead
+  * usr/bin/byobu, usr/bin/byobu-janitor, usr/lib/byobu/disk_io,
+    usr/lib/byobu/include/constants:
+    - use BYOBU_READLINK instead of READLINK
 
   [ Ryan Thompson ]
   * usr/bin/byobu-select-session: LP: #919391
diff --git a/usr/bin/byobu b/usr/bin/byobu
index ba2d2048..cc040f6a 100755
--- a/usr/bin/byobu
+++ b/usr/bin/byobu
@@ -38,8 +38,8 @@ if [ -r "$HOME/.byoburc" ]; then
 fi
 if [ -z "${BYOBU_PREFIX}" ]; then
 	# Find and export the installation location prefix
-	command -v greadlink >/dev/null 2>&1 && export READLINK="greadlink" || export READLINK="readlink"
-	prefix="$(dirname $(dirname $($READLINK -f $0)))"
+	command -v greadlink >/dev/null 2>&1 && export BYOBU_READLINK="greadlink" || export BYOBU_READLINK="readlink"
+	prefix="$(dirname $(dirname $($BYOBU_READLINK -f $0)))"
 	if [ "$prefix" != "/usr" ]; then
 		echo "export BYOBU_PREFIX='$prefix'" >> "$HOME/.byoburc"
 		. "$HOME/.byoburc"
diff --git a/usr/bin/byobu-janitor b/usr/bin/byobu-janitor
index a93a7f62..e3bced1e 100755
--- a/usr/bin/byobu-janitor
+++ b/usr/bin/byobu-janitor
@@ -77,7 +77,7 @@ for f in status statusrc; do
 		cp -f "$BYOBU_PREFIX/share/$PKG/status/$f" "$BYOBU_CONFIG_DIR/$f"
 		# Enable ec2_cost, if we're in ec2 and seeding a new setup
 		if metadata_available; then
-			$BYOBU_SED -i -e "s/#ec2_cost/ec2_cost/g" "$($READLINK -f $BYOBU_CONFIG_DIR/$f)"
+			$BYOBU_SED -i -e "s/#ec2_cost/ec2_cost/g" "$($BYOBU_READLINK -f $BYOBU_CONFIG_DIR/$f)"
 		fi
 	fi
 done
@@ -91,7 +91,7 @@ fi
 # Affects: Upgrades from <= byobu-2.78 which might have "motd+shell"
 # in their window list; update this to just "shell"
 if grep -qs "motd+shell" "$BYOBU_CONFIG_DIR/windows"; then
-	$BYOBU_SED -i -e "s/motd+shell/shell/g" "$($READLINK -f $BYOBU_CONFIG_DIR/windows)" || true
+	$BYOBU_SED -i -e "s/motd+shell/shell/g" "$($BYOBU_READLINK -f $BYOBU_CONFIG_DIR/windows)" || true
 fi
 
 # Affects: Upgrades from <= byobu 4.3, remove ec2_rates
@@ -99,7 +99,7 @@ rm -f "$BYOBU_CONFIG_DIR/ec2_rates"
 
 # Affects: Upgrades from <= byobu 4.4, update "shell" -> "byobu-shell"
 if grep -qs " shell$" "$BYOBU_CONFIG_DIR/windows"; then
-	$BYOBU_SED -i -e "s/ shell$/ $PKG-shell/g" "$($READLINK -f $BYOBU_CONFIG_DIR/windows)" || true
+	$BYOBU_SED -i -e "s/ shell$/ $PKG-shell/g" "$($BYOBU_READLINK -f $BYOBU_CONFIG_DIR/windows)" || true
 fi
 
 # Affects: Upgrades from <= byobu 4.22
diff --git a/usr/lib/byobu/disk_io b/usr/lib/byobu/disk_io
index b9192b22..dc08c1d6 100755
--- a/usr/lib/byobu/disk_io
+++ b/usr/lib/byobu/disk_io
@@ -31,7 +31,7 @@ __disk_io_detail() {
 getdisk() {
 	local t=""
 	if [ -L "${1}" ]; then
-		t=$($READLINK -f "$1")
+		t=$($BYOBU_READLINK -f "$1")
 	else
 		t="$1"
 	fi
diff --git a/usr/lib/byobu/include/constants b/usr/lib/byobu/include/constants
index 1dc24eaf..1d6abce2 100755
--- a/usr/lib/byobu/include/constants
+++ b/usr/lib/byobu/include/constants
@@ -95,7 +95,7 @@ esac
 
 # MacOS Support
 command -v gsed >/dev/null 2>&1 && export BYOBU_SED="gsed" || export BYOBU_SED="sed"
-command -v greadlink >/dev/null 2>&1 && export READLINK="greadlink" || export READLINK="readlink"
+command -v greadlink >/dev/null 2>&1 && export BYOBU_READLINK="greadlink" || export BYOBU_READLINK="readlink"
 command -v sensible-pager >/dev/null 2>&1 && export BYOBU_PAGER="sensible-pager" || export BYOBU_PAGER="less"
 
 # Default colors