diff --git a/bin/install_prerequisites_ubuntu.sh b/bin/install_prerequisites_ubuntu.sh
index ed5d27fb193..c7377e95dde 100755
--- a/bin/install_prerequisites_ubuntu.sh
+++ b/bin/install_prerequisites_ubuntu.sh
@@ -3,12 +3,12 @@ set -Eeuo pipefail
 
 echo "----- install prerequisite packages -----"
 export DEBIAN_FRONTEND=noninteractive
-if ! command -V sudo  ; then
+if ! command -V sudo >/dev/null 2>&1  ; then
     apt-get update
-    apt-get -y install sudo
+    DEBIAN_FRONTEND=noninteractive apt-get -y install sudo
 fi
 sudo apt-get update
-sudo apt-get -y install \
+sudo DEBIAN_FRONTEND=noninteractive apt-get -y install \
     bash \
     expect \
     curl \