diff --git a/chrome/content/zotero/reportInterface.js b/chrome/content/zotero/reportInterface.js
index 16147af0e6..bcb9542288 100644
--- a/chrome/content/zotero/reportInterface.js
+++ b/chrome/content/zotero/reportInterface.js
@@ -28,7 +28,7 @@ var Zotero_Report_Interface = new function() {
 	/*
 	 * Load a report for the currently selected collection
 	 */
-	this.loadCollectionReport = function (event) {
+	this.loadCollectionReport = function () {
 		var sortColumn = ZoteroPane_Local.getSortField();
 		var sortDirection = ZoteroPane_Local.getSortDirection();
 		var queryString = '?sort=' + sortColumn
@@ -55,14 +55,14 @@ var Zotero_Report_Interface = new function() {
 		
 		url += '/items' + queryString;
 		
-		ZoteroPane_Local.loadURI(url, event);
+		Zotero.openInViewer(url);
 	}
 	
 	
 	/*
 	 * Load a report for the currently selected items
 	 */
-	this.loadItemReport = function (event) {
+	this.loadItemReport = function () {
 		var libraryID = ZoteroPane_Local.getSelectedLibraryID();
 		var items = ZoteroPane_Local.getSelectedItems();
 		
@@ -72,6 +72,6 @@ var Zotero_Report_Interface = new function() {
 		
 		var url = 'zotero://report/' + Zotero.API.getLibraryPrefix(libraryID) + '/items'
 			+ '?itemKey=' + items.map(item => item.key).join(',');
-		ZoteroPane_Local.loadURI(url, event);
+		Zotero.openInViewer(url);
 	}
 }
diff --git a/chrome/content/zotero/timelineInterface.js b/chrome/content/zotero/timelineInterface.js
index d2a6151e4d..6352b3c159 100644
--- a/chrome/content/zotero/timelineInterface.js
+++ b/chrome/content/zotero/timelineInterface.js
@@ -47,6 +47,6 @@ var Zotero_Timeline_Interface = new function() {
 				}
 			}
 		}
-		ZoteroPane_Local.loadURI(uri);
+		Zotero.openInViewer(uri);
 	}
 }
diff --git a/chrome/content/zotero/zoteroPane.js b/chrome/content/zotero/zoteroPane.js
index 31f49a406a..a4a518493b 100644
--- a/chrome/content/zotero/zoteroPane.js
+++ b/chrome/content/zotero/zoteroPane.js
@@ -2422,7 +2422,7 @@ var ZoteroPane = new function()
 		},
 		{
 			id: "loadReport",
-			oncommand: event => Zotero_Report_Interface.loadCollectionReport(event)
+			oncommand: () => Zotero_Report_Interface.loadCollectionReport()
 		},
 		{
 			id: "emptyTrash",
@@ -3287,7 +3287,7 @@ var ZoteroPane = new function()
 				}
 			}
 			
-			this.launchURL(uri);
+			Zotero.launchURL(uri);
 		}
 	}
 	
diff --git a/chrome/content/zotero/zoteroPane.xul b/chrome/content/zotero/zoteroPane.xul
index 141059d2b7..e9a501ebcd 100644
--- a/chrome/content/zotero/zoteroPane.xul
+++ b/chrome/content/zotero/zoteroPane.xul
@@ -276,7 +276,7 @@
 					<menuseparator/>
 					<menuitem class="menuitem-iconic zotero-menuitem-export" oncommand="Zotero_File_Interface.exportItems();"/>
 					<menuitem class="menuitem-iconic zotero-menuitem-create-bibliography" oncommand="Zotero_File_Interface.bibliographyFromItems();"/>
-					<menuitem class="menuitem-iconic zotero-menuitem-create-report" oncommand="Zotero_Report_Interface.loadItemReport(event)"/>
+					<menuitem class="menuitem-iconic zotero-menuitem-create-report" oncommand="Zotero_Report_Interface.loadItemReport()"/>
 					<menuseparator/>
 					<menuitem class="menuitem-iconic zotero-menuitem-retrieve-metadata" oncommand="ZoteroPane.recognizeSelected();"/>
 					<menuitem class="menuitem-iconic zotero-menuitem-unrecognize" label="&zotero.items.menu.unrecognize;" oncommand="ZoteroPane.unrecognizeSelected()"/>