diff --git a/chrome/locale/en-US/zotero/zotero.properties b/chrome/locale/en-US/zotero/zotero.properties
index 62d5026163..ddb57fcc94 100644
--- a/chrome/locale/en-US/zotero/zotero.properties
+++ b/chrome/locale/en-US/zotero/zotero.properties
@@ -109,6 +109,7 @@ general.magenta = Magenta
 general.violet = Violet
 general.maroon = Maroon
 general.gray = Gray
+general.black = Black
 
 general.operationInProgress = A Zotero operation is currently in progress.
 general.operationInProgress.waitUntilFinished = Please wait until it has finished.