diff --git a/unpacked/extensions/CHTML-preview.js b/unpacked/extensions/CHTML-preview.js
index c90683f01..b834c3bf2 100644
--- a/unpacked/extensions/CHTML-preview.js
+++ b/unpacked/extensions/CHTML-preview.js
@@ -42,7 +42,7 @@
color: "inherit!important",
updateTime: 30, updateDelay: 6,
messageStyle: "none",
- disabled: ((BROWSER.isMSIE && !BROWSER.versionAtLeast("8.0")) ? true : false)
+ disabled: BROWSER.isMSIE && !BROWSER.versionAtLeast("8.0")
}),
//