diff --git a/application/basilisk/base/content/browser.js b/application/basilisk/base/content/browser.js
index 077292692..41dc8f17c 100644
--- a/application/basilisk/base/content/browser.js
+++ b/application/basilisk/base/content/browser.js
@@ -2420,9 +2420,9 @@ function losslessDecodeURI(aURI) {
   }
 
   // Encode invisible characters (C0/C1 control characters, U+007F [DEL],
-  // U+00A0 [no-break space], line and paragraph separator,
-  // object replacement character) (bug 452979, bug 909264)
-  value = value.replace(/[\u0000-\u001f\u007f-\u00a0\u2028\u2029\ufffc]/g,
+  // U+00A0 [no-break space], line and paragraph separator, braille space
+  // object replacement character) (bug 452979, bug 909264, bug 1629506)
+  value = value.replace(/[\u0000-\u001f\u007f-\u00a0\u2028\u2029\u2800\ufffc]/g,
                         encodeURIComponent);
 
   // Encode default ignorable characters (bug 546013)