diff --git a/tests/test-sources/plugins/colorschemes/one.nix b/tests/test-sources/plugins/colorschemes/one.nix
index 747d62d3..bdbae469 100644
--- a/tests/test-sources/plugins/colorschemes/one.nix
+++ b/tests/test-sources/plugins/colorschemes/one.nix
@@ -8,7 +8,7 @@
       enable = true;
 
       settings = {
-        allow_italics = false;
+        allow_italics = 0;
       };
     };
   };