diff --git a/chrome/content/zotero/fileInterface.js b/chrome/content/zotero/fileInterface.js
index d79c4b654..234715edb 100644
--- a/chrome/content/zotero/fileInterface.js
+++ b/chrome/content/zotero/fileInterface.js
@@ -306,7 +306,10 @@ var Zotero_File_Interface = new function() {
 		}
 		if (typeof options == 'string' || options instanceof Components.interfaces.nsIFile) {
 			Zotero.debug("WARNING: importFile() now takes a single options object -- update your code");
-			options = { file: options };
+			options = {
+				file: options,
+				createNewCollection: arguments[1]
+			};
 		}
 		
 		var file = options.file ? Zotero.File.pathToFile(options.file) : null;
diff --git a/components/zotero-service.js b/components/zotero-service.js
index 751935df5..8cb26d9b2 100644
--- a/components/zotero-service.js
+++ b/components/zotero-service.js
@@ -636,7 +636,10 @@ ZoteroCommandLineHandler.prototype = {
 								var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
 								   .getService(Components.interfaces.nsIWindowMediator);
 								var browserWindow = wm.getMostRecentWindow("navigator:browser");
-								browserWindow.Zotero_File_Interface.importFile(file, checkState.value);
+								browserWindow.Zotero_File_Interface.importFile({
+									file,
+									createNewCollection: checkState.value
+								});
 							}
 						}
 					});