diff --git a/platform/webext/install.rdf b/platform/webext/install.rdf
index 5039da2c7..0d0e9b3bf 100644
--- a/platform/webext/install.rdf
+++ b/platform/webext/install.rdf
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:em="http://www.mozilla.org/2004/em-rdf#">
     <Description about="urn:mozilla:install-manifest">
-        <em:id>uBlock0@raymondhill.net</em:id>
+        <em:id>uBlock0-webext@raymondhill.net</em:id>
         <em:version>{version}</em:version>
         <em:name>{name}</em:name>
         <em:description>{description}</em:description>
diff --git a/tools/make-webext-meta.py b/tools/make-webext-meta.py
index 5e299206f..694f63006 100644
--- a/tools/make-webext-meta.py
+++ b/tools/make-webext-meta.py
@@ -43,6 +43,7 @@ for alpha2 in sorted(os.listdir(source_locale_dir)):
     descriptions[alpha2] = strings['extShortDesc']['message']
 
 webext_manifest['author'] = chromium_manifest['author'];
+webext_manifest['name'] = chromium_manifest['name'] + '/webext';
 webext_manifest['homepage'] = 'https://github.com/gorhill/uBlock'
 webext_manifest['description'] = descriptions['en']
 del descriptions['en']