diff --git a/setup/so-setup b/setup/so-setup
index 299f3e094..30bc10479 100755
--- a/setup/so-setup
+++ b/setup/so-setup
@@ -117,6 +117,10 @@ if [ "$OS" == ubuntu ]; then
 	update-alternatives --set newt-palette /etc/newt/palette.original >> $setup_log 2>&1
 fi
 
+# Kernel messages can overwrite whiptail screen #812
+# https://github.com/Security-Onion-Solutions/securityonion/issues/812
+dmesg -D
+
 # Kernel consoleblank is causing whiptail progress screen to appear to hang #1084
 # https://github.com/Security-Onion-Solutions/securityonion/issues/1084
 if [ "$automated" == no ]; then