diff --git a/Tools/setup/arch.sh b/Tools/setup/arch.sh
index 9ad2b5a5d6..04c7f45b7f 100644
--- a/Tools/setup/arch.sh
+++ b/Tools/setup/arch.sh
@@ -139,6 +139,8 @@ if [[ $INSTALL_SIM == "true" ]]; then
 			yay \
 			;
 
+		sudo sed -i '/MAKEFLAGS=/c\MAKEFLAGS="-j'$(($(grep -c processor /proc/cpuinfo)+2))'"' /etc/makepkg.conf
+
 		yay -S gazebo --noconfirm
 
 		if sudo dmidecode -t system | grep -q "Manufacturer: VMware, Inc." ; then