diff --git a/home.nix b/home.nix
index 9e636fc..d4324c1 100644
--- a/home.nix
+++ b/home.nix
@@ -229,7 +229,7 @@ in
 
             textwidth = 80;
             formatoptions = "tcqjn1";  # auto-format
-            colorcolumn = "80";
+            colorcolumn = "81";
 
             ignorecase = true;
             smartcase = true;