diff --git a/scripts/build.sh b/scripts/build.sh
index 05d364ff..1e978abe 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -20,94 +20,79 @@ set -x
 export CGO_ENABLED=0
 
 # Windows amd64
-export GOOS=windows
-export GOARCH=amd64
 FILENAME="go2rtc_win64.zip"
-go build -ldflags "-s -w" -trimpath
+GOOS=windows GOARCH=amd64 \
+    go build -ldflags "-s -w" -trimpath
 7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
 
 # Windows 386
-export GOOS=windows
-export GOARCH=386
 FILENAME="go2rtc_win32.zip"
-GOTOOLCHAIN=go1.20.14 go build -ldflags "-s -w" -trimpath
+GOOS=windows GOARCH=386 GOTOOLCHAIN=go1.20.14 \
+    go build -ldflags "-s -w" -trimpath
 7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
 
 # Windows arm64
-export GOOS=windows
-export GOARCH=arm64
 FILENAME="go2rtc_win_arm64.zip"
-go build -ldflags "-s -w" -trimpath
+GOOS=windows GOARCH=arm64 \
+    go build -ldflags "-s -w" -trimpath
 7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
 
 # Linux amd64
-export GOOS=linux
-export GOARCH=amd64
 FILENAME="go2rtc_linux_amd64"
-go build -ldflags "-s -w" -trimpath -o $FILENAME
+GOOS=linux GOARCH=amd64 \
+    go build -ldflags "-s -w" -trimpath -o $FILENAME
 upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Linux 386
-export GOOS=linux
-export GOARCH=386
 FILENAME="go2rtc_linux_i386"
-go build -ldflags "-s -w" -trimpath -o $FILENAME
+GOOS=linux GOARCH=386 \
+    go build -ldflags "-s -w" -trimpath -o $FILENAME
 upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Linux arm64
-export GOOS=linux
-export GOARCH=arm64
 FILENAME="go2rtc_linux_arm64"
-go build -ldflags "-s -w" -trimpath -o $FILENAME
+GOOS=linux GOARCH=arm64 \
+    go build -ldflags "-s -w" -trimpath -o $FILENAME
 upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Linux arm v7
-export GOOS=linux
-export GOARCH=arm
-export GOARM=7
 FILENAME="go2rtc_linux_arm"
-go build -ldflags "-s -w" -trimpath -o $FILENAME
+GOOS=linux GOARCH=arm GOARM=7 \
+    go build -ldflags "-s -w" -trimpath -o $FILENAME
 upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Linux arm v6
-export GOOS=linux
-export GOARCH=arm
-export GOARM=6
 FILENAME="go2rtc_linux_armv6"
-go build -ldflags "-s -w" -trimpath -o $FILENAME
+GOOS=linux GOARCH=arm GOARM=6 \
+    go build -ldflags "-s -w" -trimpath -o $FILENAME
 upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Linux mipsle
-export GOOS=linux
-export GOARCH=mipsle
 FILENAME="go2rtc_linux_mipsel"
-go build -ldflags "-s -w" -trimpath -o $FILENAME
+GOOS=linux GOARCH=mipsle \
+    go build -ldflags "-s -w" -trimpath -o $FILENAME
 upx --lzma --force-overwrite -q --no-progress $FILENAME
 
 # Darwin amd64
-export GOOS=darwin
-export GOARCH=amd64
 FILENAME="go2rtc_mac_amd64.zip"
-GOTOOLCHAIN=go1.20.14 go build -ldflags "-s -w" -trimpath
+GOOS=darwin GOARCH=amd64 GOTOOLCHAIN=go1.20.14 \
+    go build -ldflags "-s -w" -trimpath
 7z a -mx9 -bso0 -sdel $FILENAME go2rtc
 
 # Darwin arm64
-export GOOS=darwin
-export GOARCH=arm64
 FILENAME="go2rtc_mac_arm64.zip"
-go build -ldflags "-s -w" -trimpath
+GOOS=darwin GOARCH=arm64 \
+    go build -ldflags "-s -w" -trimpath
 7z a -mx9 -bso0 -sdel $FILENAME go2rtc
 
 # FreeBSD amd64
-export GOOS=freebsd
-export GOARCH=amd64
 FILENAME="go2rtc_freebsd_amd64.zip"
-go build -ldflags "-s -w" -trimpath
+GOOS=freebsd GOARCH=amd64 \
+    go build -ldflags "-s -w" -trimpath
 7z a -mx9 -bso0 -sdel $FILENAME go2rtc
 
 # FreeBSD arm64
-export GOOS=freebsd
-export GOARCH=arm64
 FILENAME="go2rtc_freebsd_arm64.zip"
-go build -ldflags "-s -w" -trimpath
+GOOS=freebsd GOARCH=arm64 \
+    go build -ldflags "-s -w" -trimpath
 7z a -mx9 -bso0 -sdel $FILENAME go2rtc