diff --git a/install/install.sh b/install/install.sh
index 10f53db..ed226c7 100755
--- a/install/install.sh
+++ b/install/install.sh
@@ -73,9 +73,16 @@ if [[ $MODEL != Raspberry* ]]; then
 fi
 
 VERSION=$(grep -oP '(?<=^VERSION=).+' /etc/os-release | tr -d '"')
-if [[ $VERSION != "10 (buster)" ]] && [[ $VERSION != "11 (bullseye)" ]] && [[ $VERSION != "12 (bookworm)" ]]; then
+if [[ $VERSION == "12 (bookworm)" ]]; then
   print
-  print "Warning: So far this install script has only been tested with Raspberry Pi OS 10 (buster), 11 (bullseye) and OS 12 (bookworm)."
+  print "Error: So far this install script is not capable of installing on Raspberry Pi OS 12 (bookworm)."
+  print "Please use Raspberry Pi 11 (bullseye), which can be installed via the Raspberry Manager via the 'Raspberry Pi OS (other)' option, under the Legacy versions"
+  exit 1
+fi
+
+if [[ $VERSION != "10 (buster)" ]] && [[ $VERSION != "11 (bullseye)" ]]; then
+  print
+  print "Warning: So far this install script has only been tested with Raspberry Pi OS 10 (buster), 11 (bullseye)"
   if ! ask "You are running Raspberry Pi OS $VERSION, are you sure that you want to continue?" N; then
     exit 1
   fi