diff --git a/chrome/content/zotero/preferences/preferences.xul b/chrome/content/zotero/preferences/preferences.xul
index b4cf8a46e..f6980daed 100644
--- a/chrome/content/zotero/preferences/preferences.xul
+++ b/chrome/content/zotero/preferences/preferences.xul
@@ -64,6 +64,7 @@ To add a new preference:
 			<preference id="pref-groups-copyChildNotes" name="extensions.zotero.groups.copyChildNotes" type="bool"/>
 			<preference id="pref-groups-copyChildFileAttachments" name="extensions.zotero.groups.copyChildFileAttachments" type="bool"/>
 			<preference id="pref-groups-copyChildLinks" name="extensions.zotero.groups.copyChildLinks" type="bool"/>
+			<preference id="pref-groups-copyTags" name="extensions.zotero.groups.copyTags" type="bool"/>
 		</preferences>
 		
 		<groupbox id="zotero-prefpane-general-groupbox">
@@ -148,6 +149,7 @@ To add a new preference:
 				<checkbox label="&zotero.preferences.groups.childNotes;" preference="pref-groups-copyChildNotes"/>
 				<checkbox label="&zotero.preferences.groups.childFiles;" preference="pref-groups-copyChildFileAttachments"/>
 				<checkbox label="&zotero.preferences.groups.childLinks;" preference="pref-groups-copyChildLinks"/>
+				<checkbox label="&zotero.preferences.groups.tags;" preference="pref-groups-copyTags"/>
 			</vbox>
 		</groupbox>
 		
diff --git a/chrome/content/zotero/xpcom/collectionTreeView.js b/chrome/content/zotero/xpcom/collectionTreeView.js
index 66977ff85..252bce35a 100644
--- a/chrome/content/zotero/xpcom/collectionTreeView.js
+++ b/chrome/content/zotero/xpcom/collectionTreeView.js
@@ -1449,7 +1449,7 @@ Zotero.CollectionTreeView.prototype.drop = function(row, orient)
 		// DEBUG: save here because clone() doesn't currently work on unsaved tagged items
 		var id = newItem.save();
 		newItem = Zotero.Items.get(id);
-		item.clone(false, newItem);
+		item.clone(false, newItem, false, !Zotero.Prefs.get('groups.copyTags'));
 		newItem.save();
 		//var id = newItem.save();
 		//var newItem = Zotero.Items.get(id);
diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index 9faf5d97e..21ec40378 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -3873,18 +3873,23 @@ Zotero.Item.prototype.multiDiff = function (otherItems, ignoreFields) {
 /**
  * Returns an unsaved copy of the item
  *
- * @param	{Boolean}		[includePrimary=false]
- * @param	{Zotero.Item}	[newItem=null]			Target item for clone (used to pass a saved
- *														item for duplicating items with tags)
- * @param	{Boolean}		[unsaved=false]			Skip properties that require a saved object (e.g., tags)
+ * @param  {Boolean}       [includePrimary=false]
+ * @param  {Zotero.Item}   [newItem=null]         Target item for clone (used to pass a saved
+ *                                                    item for duplicating items with tags)
+ * @param  {Boolean}       [unsaved=false]        Skip properties that require a saved object (e.g., tags)
+ * @param  {Boolean}       [skipTags=false]       Skip tags (implied by 'unsaved')
  */
-Zotero.Item.prototype.clone = function(includePrimary, newItem, unsaved) {
+Zotero.Item.prototype.clone = function(includePrimary, newItem, unsaved, skipTags) {
 	Zotero.debug('Cloning item ' + this.id);
 	
 	if (includePrimary && newItem) {
 		throw ("includePrimary and newItem parameters are mutually exclusive in Zotero.Item.clone()");
 	}
 	
+	if (unsaved) {
+		skipTags = true;
+	}
+	
 	Zotero.DB.beginTransaction();
 	
 	// TODO: get rid of serialize() call
@@ -4024,7 +4029,7 @@ Zotero.Item.prototype.clone = function(includePrimary, newItem, unsaved) {
 		}
 	}
 	
-	if (!unsaved && obj.tags) {
+	if (!skipTags && obj.tags) {
 		for each(var tag in obj.tags) {
 			if (sameLibrary) {
 				newItem.addTagByID(tag.primary.tagID);
diff --git a/chrome/content/zotero/zoteroPane.js b/chrome/content/zotero/zoteroPane.js
index b89387b44..fafbe920a 100644
--- a/chrome/content/zotero/zoteroPane.js
+++ b/chrome/content/zotero/zoteroPane.js
@@ -1463,7 +1463,7 @@ var ZoteroPane = new function()
 		var id = newItem.save();
 		
 		var newItem = Zotero.Items.get(id);
-		item.clone(false, newItem);
+		item.clone(false, newItem, false, !Zotero.Prefs.get('groups.copyTags'));
 		newItem.save();
 		
 		if (this.itemsView._itemGroup.isCollection() && !newItem.getSource()) {
diff --git a/chrome/locale/en-US/zotero/preferences.dtd b/chrome/locale/en-US/zotero/preferences.dtd
index 78b2f0cc5..8fc05f263 100644
--- a/chrome/locale/en-US/zotero/preferences.dtd
+++ b/chrome/locale/en-US/zotero/preferences.dtd
@@ -38,6 +38,7 @@
 <!ENTITY zotero.preferences.groups.childNotes			"child notes">
 <!ENTITY zotero.preferences.groups.childFiles			"child snapshots and imported files">
 <!ENTITY zotero.preferences.groups.childLinks			"child links">
+<!ENTITY zotero.preferences.groups.tags				"tags">
 
 <!ENTITY zotero.preferences.openurl.caption				"OpenURL">
 
diff --git a/defaults/preferences/zotero.js b/defaults/preferences/zotero.js
index a8473dbf6..f207afe36 100644
--- a/defaults/preferences/zotero.js
+++ b/defaults/preferences/zotero.js
@@ -44,6 +44,7 @@ pref("extensions.zotero.viewOnDoubleClick", true);
 pref("extensions.zotero.groups.copyChildLinks", true);
 pref("extensions.zotero.groups.copyChildFileAttachments", true);
 pref("extensions.zotero.groups.copyChildNotes", true);
+pref("extensions.zotero.groups.copyTags", true);
 
 pref("extensions.zotero.backup.numBackups", 2);
 pref("extensions.zotero.backup.interval", 1440);