diff --git a/background.html b/background.html
index 32767aae4..8da519a11 100644
--- a/background.html
+++ b/background.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html>
 <head>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <title>µBlock</title>
 </head>
 <body>
