diff --git a/chrome/content/zotero/xpcom/style.js b/chrome/content/zotero/xpcom/style.js
index 79192046c..93b6069d0 100644
--- a/chrome/content/zotero/xpcom/style.js
+++ b/chrome/content/zotero/xpcom/style.js
@@ -246,7 +246,6 @@ Zotero.Styles = new function() {
 	 */
 	this.install = Zotero.Promise.coroutine(function* (style, origin, silent=false) {
 		var styleTitle;
-		origin = origin || Zotero.getString('styles.unknownOrigin');
 		
 		try {
 			if (style instanceof Components.interfaces.nsIFile) {
@@ -262,9 +261,9 @@ Zotero.Styles = new function() {
 			// Unless user cancelled, show an alert with the error
 			if(typeof error === "object" && error instanceof Zotero.Exception.UserCancelled) return;
 			if(typeof error === "object" && error instanceof Zotero.Exception.Alert) {
-				error.log();
+				Zotero.logError(error);
 				if (silent) {
-					throw (error)
+					throw error;
 				} else {
 					error.present();
 				}
diff --git a/chrome/locale/en-US/zotero/zotero.properties b/chrome/locale/en-US/zotero/zotero.properties
index 2941eac88..e242cbbf0 100644
--- a/chrome/locale/en-US/zotero/zotero.properties
+++ b/chrome/locale/en-US/zotero/zotero.properties
@@ -832,7 +832,6 @@ styles.validationWarning			= "%S" is not a valid CSL 1.0.1 style file, and may n
 styles.installSourceError			= %1$S references an invalid or non-existent CSL file at %2$S as its source.
 styles.deleteStyle					= Are you sure you want to delete the style "%1$S"?
 styles.deleteStyles					= Are you sure you want to delete the selected styles?
-styles.unknownOrigin				= External Style
 
 styles.abbreviations.title			= Load Abbreviations
 styles.abbreviations.parseError		= The abbreviations file "%1$S" is not valid JSON.