diff --git a/prototype.sh b/prototype.sh
index 3a3a9b4..79e113a 100644
--- a/prototype.sh
+++ b/prototype.sh
@@ -50,6 +50,9 @@ if [ "$digit" = 2 ]; then
     # execute the monocolour-converter to convert all 3-colour icons to 2-colour ones
     python3.5 /home/pi/E-Paper-Master/monocolour-converter.py
     
+    # edit the settings file for the 2-colour display option
+    sed -i 's/display_colours = "bwr"/display_colours = "bw"/' /home/pi/E-Paper-Master/Calendar/settings.py
+    
     # add a short info
     cat > /home/pi/E-Paper-Master/Info.txt << EOF
 This document contains a short info of the E-Paper-Calendar software version