diff --git a/lib/solaar/listener.py b/lib/solaar/listener.py
index 013deae6..a1a1d885 100644
--- a/lib/solaar/listener.py
+++ b/lib/solaar/listener.py
@@ -342,7 +342,7 @@ def _process_add(device_info: DeviceInfo, retry):
     except OSError as e:
         if e.errno == errno.EACCES:
             try:
-                output = subprocess.check_output(["/usr/bin/getfacl", "-p", device_info.path], text=True)
+                output = subprocess.check_output(["getfacl", "-p", device_info.path], text=True)
                 logger.warning("Missing permissions on %s\n%s.", device_info.path, output)
             except Exception:
                 pass
diff --git a/release.sh b/release.sh
index b2f424b1..02c48ae5 100755
--- a/release.sh
+++ b/release.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 repo=pwr-Solaar/Solaar
 
diff --git a/tools/clean.sh b/tools/clean.sh
index 4a1a0732..e3fea934 100755
--- a/tools/clean.sh
+++ b/tools/clean.sh
@@ -1,9 +1,9 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 cd "$(dirname "$0")/.."
 
 find . -type f -name '*.py[co]' -delete
 find . -type d -name '__pycache__' -delete
 
-/bin/rm --force po/*~
-/bin/rm --force --recursive share/locale/
+rm --force po/*~
+rm --force --recursive share/locale/
diff --git a/tools/po-compile.sh b/tools/po-compile.sh
index bef6d6c2..bf7fbba0 100755
--- a/tools/po-compile.sh
+++ b/tools/po-compile.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 set -e
 
@@ -9,8 +9,8 @@ while read po_file; do
 	language="$(basename "$po_file")"
 	language="${language%.po}"
 	target="$PWD/share/locale/$language/LC_MESSAGES/solaar.mo"
-	/bin/mkdir --parents "$(dirname "$target")"
-	/usr/bin/msgfmt \
+	mkdir --parents "$(dirname "$target")"
+	msgfmt \
 		--check \
 		--output-file="$target" \
 		"$po_file"
diff --git a/tools/po-update.sh b/tools/po-update.sh
index ac7c1acd..71b2eb94 100755
--- a/tools/po-update.sh
+++ b/tools/po-update.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 set -e
 
@@ -13,7 +13,7 @@ cd "$(readlink -f "$(dirname "$0")/..")"
 VERSION=$(python setup.py --version)
 DOMAIN=$(python setup.py --name)
 
-SOURCE_FILES=$(/bin/mktemp --tmpdir $DOMAIN-po-update-XXXXXX)
+SOURCE_FILES=$(mktemp --tmpdir $DOMAIN-po-update-XXXXXX)
 find "lib" -name '*.py' >"$SOURCE_FILES"
 
 POT_DIR="$PWD/po"
@@ -21,7 +21,7 @@ test -d "$POT_DIR"
 
 POT_FILE="$POT_DIR/$DOMAIN.pot"
 
-/usr/bin/xgettext \
+xgettext \
 	--package-name "$DOMAIN" \
 	--package-version "$VERSION" \
 	--default-domain="$L_NAME" \
@@ -30,7 +30,7 @@ POT_FILE="$POT_DIR/$DOMAIN.pot"
 	--add-comments=I18N \
 	--output="$POT_FILE"
 
-/bin/sed --in-place --expression="s/charset=CHARSET/charset=UTF-8/" "$POT_FILE"
+sed --in-place --expression="s/charset=CHARSET/charset=UTF-8/" "$POT_FILE"
 
 
 unfmt() {
@@ -39,7 +39,7 @@ unfmt() {
 		SOURCE="/usr/share/locale-langpack/$LL_CC/LC_MESSAGES/$1.mo"
 	fi
 	local TARGET="$(mktemp --tmpdir $1-$LL_CC-XXXXXX.po)"
-	/usr/bin/msgunfmt \
+	msgunfmt \
 		--no-escape --indent \
 		--output-file="$TARGET" \
 		"$SOURCE"
@@ -50,12 +50,12 @@ update_po() {
 	local LL_CC="$1"
 	local PO_FILE="$POT_DIR/$LL_CC.po"
 
-	test -r "$PO_FILE" || /usr/bin/msginit \
+	test -r "$PO_FILE" || msginit \
 			--no-translator --locale="$LL_CC" \
 			--input="$POT_FILE" \
 			--output-file="$PO_FILE"
 
-	/usr/bin/msgmerge \
+	msgmerge \
 		--update --no-fuzzy-matching \
 		--no-escape --indent --add-location --sort-by-file \
 		--lang="$LL_CC" \
@@ -63,7 +63,7 @@ update_po() {
 		--compendium="$(unfmt gtk30-properties)" \
 		"$PO_FILE" "$POT_FILE"
 
-	# /bin/sed --in-place --expression="s/Language: \\\\n/Language: $L_NAME\\\\n/" "$PO_FILE"
+	# sed --in-place --expression="s/Language: \\\\n/Language: $L_NAME\\\\n/" "$PO_FILE"
 	echo "Updated $PO_FILE"
 }
 
diff --git a/tools/scan-registers.sh b/tools/scan-registers.sh
index d981a07b..f2964ddb 100755
--- a/tools/scan-registers.sh
+++ b/tools/scan-registers.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 if test -z "$1"; then
 	echo "Use: $0 <device number 1..6> [<receiver device>]"