diff --git a/chrome/content/zotero/xpcom/storage/storageEngine.js b/chrome/content/zotero/xpcom/storage/storageEngine.js
index a90ad809eb..dd9be82b68 100644
--- a/chrome/content/zotero/xpcom/storage/storageEngine.js
+++ b/chrome/content/zotero/xpcom/storage/storageEngine.js
@@ -77,7 +77,7 @@ Zotero.Sync.Storage.Engine = function (options) {
 
 Zotero.Sync.Storage.Engine.prototype.start = Zotero.Promise.coroutine(function* () {
 	var libraryID = this.libraryID;
-	if (!Zotero.Prefs.get("sync.storage.enabled")) {
+	if (!Zotero.Sync.Storage.Local.getEnabledForLibrary(libraryID)) {
 		Zotero.debug("File sync is not enabled for " + this.library.name);
 		return false;
 	}
diff --git a/chrome/content/zotero/xpcom/storage/storageLocal.js b/chrome/content/zotero/xpcom/storage/storageLocal.js
index a78b347654..ba9cc01dad 100644
--- a/chrome/content/zotero/xpcom/storage/storageLocal.js
+++ b/chrome/content/zotero/xpcom/storage/storageLocal.js
@@ -12,6 +12,24 @@ Zotero.Sync.Storage.Local = {
 	lastFullFileCheck: {},
 	uploadCheckFiles: [],
 	
+	getEnabledForLibrary: function (libraryID) {
+		var libraryType = Zotero.Libraries.get(libraryID).libraryType;
+		switch (libraryType) {
+		case 'user':
+		case 'publications':
+			return Zotero.Prefs.get("sync.storage.enabled");
+		
+		case 'group':
+			return Zotero.Prefs.get("sync.storage.groups.enabled");
+		
+		case 'feed':
+			return false;
+		
+		default:
+			throw new Error(`Unexpected library type '${libraryType}'`);
+		}
+	},
+	
 	getClassForLibrary: function (libraryID) {
 		return Zotero.Sync.Storage.Utilities.getClassForMode(this.getModeForLibrary(libraryID));
 	},
diff --git a/chrome/content/zotero/zoteroPane.js b/chrome/content/zotero/zoteroPane.js
index 72cefda23b..af90c583ef 100644
--- a/chrome/content/zotero/zoteroPane.js
+++ b/chrome/content/zotero/zoteroPane.js
@@ -3936,7 +3936,8 @@ var ZoteroPane = new function()
 			}
 			else {
 				if (!item.isImportedAttachment()
-						|| !Zotero.Sync.Storage.Local.downloadAsNeeded(item.libraryID)) {
+						|| (!Zotero.Sync.Storage.Local.getEnabledForLibrary(item.libraryID)
+							|| !Zotero.Sync.Storage.Local.downloadAsNeeded(item.libraryID))) {
 					this.showAttachmentNotFoundDialog(itemID, noLocateOnMissing);
 					return;
 				}