diff --git a/csl/harvard1de.csl b/csl/harvard1de.csl
index eab1f54618..bc38352732 100644
--- a/csl/harvard1de.csl
+++ b/csl/harvard1de.csl
@@ -3,7 +3,7 @@
 <style xmlns="http://purl.org/net/xbiblio/csl" xml:lang="en" class="in-text">
   <info>
     <title>Harvard Reference format 1 (Author-Date) (de)</title>
-    <id>http://www.zotero.org/styles/harvard1</id>
+    <id>http://www.zotero.org/styles/harvard1de</id>
     <link href="http://www.zotero.org/styles/harvard1de"/>
     <author>
       <name>Julian Onions</name>
diff --git a/csl/ou-harvard-numeric.csl b/csl/ou-harvard-numeric.csl
index c036de30f7..192e2a3d9e 100644
--- a/csl/ou-harvard-numeric.csl
+++ b/csl/ou-harvard-numeric.csl
@@ -2,8 +2,8 @@
 <style xmlns="http://purl.org/net/xbiblio/csl" xml:lang="en" class="in-text" >
   <info>
     <title>Open University Harvard Reference Numeric style</title>
-    <id>http://www.zotero.org/styles/ou-harvard</id>
-    <link href="http://www.zotero.org/styles/ou-harvard"/>
+    <id>http://www.zotero.org/styles/ou-harvard-numeric</id>
+    <link href="http://www.zotero.org/styles/ou-harvard-numeric"/>
     <author>
       <name>Julian Onions</name>
       <email>julian.onions@gmail.com</email>