diff --git a/scripts/setup.sh b/scripts/setup.sh
index 0d67ac50..aaffe119 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -168,9 +168,13 @@ get_timezone() {
 setenv() {
 	local key="$1"
 	local value="$2"
-	# uncomment line if it is commented
-	sed -i "/^# *${key}=/s/^# *//" "$DOT_ENV_PATH"
-	sed -i "s|${key}=.*|${key}=\"${value}\"|" "$DOT_ENV_PATH"
+	if [[ $(uname -s) == "Darwin" ]]; then
+		sed -i '' "/^# *${key}=/s/^# *//" "$DOT_ENV_PATH"
+		sed -i '' "s|${key}=.*|${key}=\"${value}\"|" "$DOT_ENV_PATH"
+	else
+		sed -i "/^# *${key}=/s/^# *//" "$DOT_ENV_PATH"
+		sed -i "s|${key}=.*|${key}=\"${value}\"|" "$DOT_ENV_PATH"
+	fi
 	echo "${key}=${value}"
 }