diff --git a/scripts/build-borg-using-nuitka.sh b/scripts/build-borg-using-nuitka.sh
index 37588bbcb..ab2518135 100755
--- a/scripts/build-borg-using-nuitka.sh
+++ b/scripts/build-borg-using-nuitka.sh
@@ -1,7 +1,7 @@
-#!/bin/bash
+#!/bin/sh
 # Generate a single-file binary of borgbackup using Nuitka.
 
-set -euo pipefail
+set -eu
 
 OUTPUT_DIR="dist/binary"
 OUTPUT_FILENAME="borg-nuitka.exe"  # .exe does NOT mean windows here
diff --git a/scripts/build-borg-using-pyinstaller.sh b/scripts/build-borg-using-pyinstaller.sh
index aa7d8970f..d5c7cbf06 100755
--- a/scripts/build-borg-using-pyinstaller.sh
+++ b/scripts/build-borg-using-pyinstaller.sh
@@ -1,7 +1,7 @@
-#!/bin/bash
+#!/bin/sh
 # Generate a single-file binary of borgbackup using PyInstaller.
 
-set -euo pipefail
+set -eu
 
 OUTPUT_DIR="dist/binary"
 SPEC_FILE="scripts/borg.exe.spec"