diff --git a/chrome/content/zotero/preferences/preferences_advanced.js b/chrome/content/zotero/preferences/preferences_advanced.js
index 84940319f1..4d4e949a16 100644
--- a/chrome/content/zotero/preferences/preferences_advanced.js
+++ b/chrome/content/zotero/preferences/preferences_advanced.js
@@ -629,15 +629,18 @@ Zotero_Preferences.Advanced = {
 	onLocaleChange: function () {
 		var requestedLocale = Services.locale.getRequestedLocale();
 		var menu = document.getElementById('locale-menu');
+		
 		if (menu.value == 'automatic') {
 			// Changed if not already set to automatic (unless we have the automatic locale name,
 			// meaning we just switched away to the same manual locale and back to automatic)
-			var changed = requestedLocale && menu.label != this._getAutomaticLocaleMenuLabel();
+			var changed = requestedLocale
+				&& requestedLocale == Zotero.locale
+				&& menu.label != this._getAutomaticLocaleMenuLabel();
 			Services.locale.setRequestedLocales(null);
 		}
 		else {
 			// Changed if moving to a locale other than the current one
-			var changed = Zotero.locale != menu.value
+			var changed = requestedLocale != menu.value
 			Services.locale.setRequestedLocales([menu.value]);
 		}
 		
diff --git a/chrome/content/zotero/preferences/preferences_advanced.xul b/chrome/content/zotero/preferences/preferences_advanced.xul
index 518198f8a5..ffb8d2b2dc 100644
--- a/chrome/content/zotero/preferences/preferences_advanced.xul
+++ b/chrome/content/zotero/preferences/preferences_advanced.xul
@@ -85,8 +85,8 @@
 						<hbox align="center">
 							<label value="&zotero.bibliography.locale.label;"/>
 							<menulist id="locale-menu"
-									oncommand="Zotero_Preferences.Advanced.onLocaleChange()">
-								<menupopup/>
+									onblur="if (!Zotero.isMac) Zotero_Preferences.Advanced.onLocaleChange()">
+								<menupopup onpopuphidden="Zotero_Preferences.Advanced.onLocaleChange()"/>
 							</menulist>
 						</hbox>
 					</groupbox>