diff --git a/user/alacritty.nix b/user/alacritty.nix
index eaaa414..d478485 100644
--- a/user/alacritty.nix
+++ b/user/alacritty.nix
@@ -61,7 +61,7 @@ in
                   delimiters = ''^\\u0000-\\u001F\\u007F-\\u009F<>"\\s{-}\\^⟨⟩`'';
                   # Kakoune uses these characters to represent whitespace,
                   # but alacritty doesn't know about them
-                  whitespace_characters = ''¬·→'';
+                  whitespace_characters = "¬·→";
                 in
                 "${mimes}[${delimiters}${whitespace_characters}]+";
               command = "xdg-open";