diff --git a/debian11_setup.sh b/debian11_setup.sh
index 45560d4f..ad58832c 100644
--- a/debian11_setup.sh
+++ b/debian11_setup.sh
@@ -2,9 +2,9 @@
 
 # Setup script environment
 set -o errexit  #Exit immediately if a pipeline returns a non-zero status
-#set -o errtrace #Trap ERR from shell functions, command substitutions, and commands from subshell
+set -o errtrace #Trap ERR from shell functions, command substitutions, and commands from subshell
 set -o nounset  #Treat unset variables as an error
-#set -o pipefail #Pipe will exit with last non-zero status if applicable
+set -o pipefail #Pipe will exit with last non-zero status if applicable
 shopt -s expand_aliases
 alias die='EXIT=$? LINE=$LINENO error_exit'
 trap die ERR
@@ -32,7 +32,7 @@ apt-get autoremove >/dev/null
 
 # Update container OS
 msg "Updating container OS..."
-apt-get update -y &>/dev/null
+apt-get update || true >/dev/null
 apt-get upgrade &>/dev/null
 
 # Install prerequisites