diff --git a/chrome/content/zotero/downloadOverlay.js b/chrome/content/zotero/downloadOverlay.js
index 727295b49b..6567db9a27 100644
--- a/chrome/content/zotero/downloadOverlay.js
+++ b/chrome/content/zotero/downloadOverlay.js
@@ -130,6 +130,8 @@ var Zotero_DownloadOverlay = new function() {
 	 * Called when the save dialog is opened
 	 */
 	this.init = function() {
+		if(Zotero.isConnector) return;
+		
 		// Disable for filetypes people probably don't want to save
 		var show = false;
 		var mimeType = dialog.mLauncher.MIMEInfo.MIMEType.toLowerCase();
@@ -137,10 +139,12 @@ var Zotero_DownloadOverlay = new function() {
 			if(typeof elem === "string") {
 				if(elem === mimeType) {
 					document.getElementById('zotero-container').hidden = false;
+					document.getElementById('zotero-radio').disabled = false;
 					break;
 				}
 			} else if(elem.test(mimeType)) {
 				document.getElementById('zotero-container').hidden = false;
+				document.getElementById('zotero-radio').disabled = false;
 				break;
 			}
 		}
diff --git a/chrome/content/zotero/downloadOverlay.xul b/chrome/content/zotero/downloadOverlay.xul
index 33bc3e71a6..0c605bb867 100644
--- a/chrome/content/zotero/downloadOverlay.xul
+++ b/chrome/content/zotero/downloadOverlay.xul
@@ -39,9 +39,9 @@
 	<script type="application/x-javascript" src="downloadOverlay.js"/>
 	<radiogroup id="mode">
 		<vbox insertbefore="save" id="zotero-container" flex="1" hidden="true">
-			<radio id="zotero-radio" label="&zotero.downloadManager.label;"/>
+			<radio id="zotero-radio" label="&zotero.downloadManager.label;" disabled="true"/>
 			<vbox style="margin-left: 10px">
-				<checkbox id="zotero-recognizePDF" hidden="true" persist="checked"/>
+				<checkbox id="zotero-recognizePDF" hidden="true" persist="checked" disabled="true"/>
 			</vbox>
 		</vbox>
 	</radiogroup>