diff --git a/jjb/shell/install-deb-cpprest.sh b/jjb/shell/install-deb-cpprest.sh
index 7339b19..2fcf698 100644
--- a/jjb/shell/install-deb-cpprest.sh
+++ b/jjb/shell/install-deb-cpprest.sh
@@ -22,6 +22,6 @@
 
 # stop on error or unbound var, and be chatty
 set -eux
-sudo apt-get update --fix-misisng && sudo apt-get -q -y install libcpprest-dev
+sudo apt-get update --fix-missing && sudo apt-get -y install libcpprest-dev
 
 echo "---> install-deb-cpprest.sh ends"
diff --git a/jjb/shell/install-git-pistache.sh b/jjb/shell/install-git-pistache.sh
index 6e95fbb..c8db9a8 100644
--- a/jjb/shell/install-git-pistache.sh
+++ b/jjb/shell/install-git-pistache.sh
@@ -31,8 +31,8 @@
     sudo apt-get install python3
 fi
 
-sudo apt-get update && sudo apt-get install rapidjson-dev libssl-dev
-python3.8 -m pip install meson
+sudo apt-get update && sudo apt-get -y install rapidjson-dev libssl-dev
+python3 -m pip install meson
 
 echo "---> install Pistache library.."