diff --git a/chrome.manifest b/chrome.manifest
index f4233f63d..ede71c9e4 100644
--- a/chrome.manifest
+++ b/chrome.manifest
@@ -9,7 +9,7 @@ locale	zotero	cs-CZ		chrome/locale/cs-CZ/zotero/
 locale	zotero	da-DK		chrome/locale/da-DK/zotero/
 locale	zotero	de-AT		chrome/locale/de-AT/zotero/
 locale	zotero	de-CH		chrome/locale/de-CH/zotero/
-locale	zotero	de-DE		chrome/locale/de-DE/zotero/
+locale	zotero	de		chrome/locale/de/zotero/
 locale	zotero	el-GR		chrome/locale/el-GR/zotero/
 locale	zotero	es-ES		chrome/locale/es-ES/zotero/
 locale	zotero	et-EE		chrome/locale/et-EE/zotero/
diff --git a/chrome/content/zotero/locale/csl/locales-de-DE.xml b/chrome/content/zotero/locale/csl/locales-de.xml
similarity index 100%
rename from chrome/content/zotero/locale/csl/locales-de-DE.xml
rename to chrome/content/zotero/locale/csl/locales-de.xml
diff --git a/chrome/locale/de-DE/zotero/about.dtd b/chrome/locale/de/zotero/about.dtd
similarity index 100%
rename from chrome/locale/de-DE/zotero/about.dtd
rename to chrome/locale/de/zotero/about.dtd
diff --git a/chrome/locale/de-DE/zotero/preferences.dtd b/chrome/locale/de/zotero/preferences.dtd
similarity index 100%
rename from chrome/locale/de-DE/zotero/preferences.dtd
rename to chrome/locale/de/zotero/preferences.dtd
diff --git a/chrome/locale/de-DE/zotero/searchbox.dtd b/chrome/locale/de/zotero/searchbox.dtd
similarity index 100%
rename from chrome/locale/de-DE/zotero/searchbox.dtd
rename to chrome/locale/de/zotero/searchbox.dtd
diff --git a/chrome/locale/de-DE/zotero/timeline.properties b/chrome/locale/de/zotero/timeline.properties
similarity index 100%
rename from chrome/locale/de-DE/zotero/timeline.properties
rename to chrome/locale/de/zotero/timeline.properties
diff --git a/chrome/locale/de-DE/zotero/zotero.dtd b/chrome/locale/de/zotero/zotero.dtd
similarity index 100%
rename from chrome/locale/de-DE/zotero/zotero.dtd
rename to chrome/locale/de/zotero/zotero.dtd
diff --git a/chrome/locale/de-DE/zotero/zotero.properties b/chrome/locale/de/zotero/zotero.properties
similarity index 100%
rename from chrome/locale/de-DE/zotero/zotero.properties
rename to chrome/locale/de/zotero/zotero.properties