diff --git a/stack.sh b/stack.sh
index 03ecf28..b807ab5 100755
--- a/stack.sh
+++ b/stack.sh
@@ -213,7 +213,7 @@
 
 # For debian/ubuntu make apt attempt to retry network ops on it's own
 if is_ubuntu; then
-    echo 'APT::Acquire::Retries "20";' | sudo tee /etc/apt/apt.conf.d/80retry
+    echo 'APT::Acquire::Retries "20";' | sudo tee /etc/apt/apt.conf.d/80retry  >/dev/null
 fi
 
 # Some distros need to add repos beyond the defaults provided by the vendor