diff --git a/install_dependencies.sh b/install_dependencies.sh
index fec8cd1c99f..e8698fb73d1 100755
--- a/install_dependencies.sh
+++ b/install_dependencies.sh
@@ -22,7 +22,6 @@ FLAVOR=`grep '^ID=' /etc/os-release | awk -F= '{print $2}' | tr -d '"'`
 VERSION=`grep '^VERSION_ID=' /etc/os-release | awk -F= '{print $2}' | tr -d '"'`
 MAJOR=${VERSION%.*}
 ARCH=`uname -m`
-DEBIAN_FRONTEND="noninteractive"
 
 usage()
 {
@@ -122,7 +121,7 @@ install()
         prep_ubuntu
 
         echo "Installing packages..."
-        apt-get install -y --no-install-recommends "${UB_LIST[@]}"
+        DEBIAN_FRONTEND="noninteractive" apt-get install -y --no-install-recommends "${UB_LIST[@]}"
     fi
 }