diff --git a/settings/camoufox.cfg b/settings/camoufox.cfg
index 5e7f8e5..ed2ba85 100644
--- a/settings/camoufox.cfg
+++ b/settings/camoufox.cfg
@@ -39,7 +39,7 @@ defaultPref(
 );
 
 // Disable hidpi by default
-defaultPref("layout.css.devPixelsPerPx", 1.0);
+defaultPref("layout.css.devPixelsPerPx", "1");
 
 // Tweaks that undo Playwright: