diff --git a/plugins/david.zsh b/plugins/david.zsh
index 9de886a..bee2923 100644
--- a/plugins/david.zsh
+++ b/plugins/david.zsh
@@ -77,12 +77,11 @@ update()
         systems="ubuntu arch"
         issue="$(cat /etc/issue)"
         for item in $systems; do
-            echo $issue | grep -i $item
+            echo $issue | grep -i $item > /dev/null
             if [ $? -eq 0 ]; then
                 system=$item
             fi
         done
-        echo $system
 
         case $system in
             ubuntu)