diff --git a/setup/so-setup b/setup/so-setup
index 76bc79e5b..68d32b0f5 100755
--- a/setup/so-setup
+++ b/setup/so-setup
@@ -429,6 +429,7 @@ if ! [[ -f $install_opt_file ]]; then
 		whiptail_end_settings
 	elif [[ $is_sensor ]]; then
 		#ubuntu_check
+		installer_prereq_packages
 		monints=true
 		check_requirements "sensor"
 		calculate_useable_cores
@@ -641,7 +642,6 @@ if ! [[ -f $install_opt_file ]]; then
 		mkdir -p /opt/so
 		es_heapsize
 		ls_heapsize
-		installer_prereq_packages 
 		generate_interface_vars
 		if [[ $monints ]]; then
 			configure_network_sensor