diff --git a/hosts/dacbert/default.nix b/hosts/dacbert/default.nix
index 83294c8e..f49045d0 100644
--- a/hosts/dacbert/default.nix
+++ b/hosts/dacbert/default.nix
@@ -75,6 +75,7 @@ in
       firmwareConfig = ''
         gpu_mem=256
         dtparam=audio=on
+        disable_overscan=1
         # Display is rotated
         display_hdmi_rotate=1
       '';