diff --git a/attract/static/js/tasks.js b/attract/static/js/tasks.js
index 599959b..43c912f 100644
--- a/attract/static/js/tasks.js
+++ b/attract/static/js/tasks.js
@@ -2,11 +2,10 @@
  * Shows a task in the #task-details div.
  */
 function task_open(task_id, project_url) {
-    if (task_id === undefined) {
-        if (console) console.log("task_open(undefined) called.");
+    if (task_id === undefined || project_url === undefined) {
+        if (console) console.log("task_open(", task_id, project_url, ") called.");
         return;
     }
-    console.log('before anything');
 
     $('#task-list').find('a').removeClass('active');
     $('#task-' + task_id).addClass('active');
@@ -29,9 +28,13 @@ function task_open(task_id, project_url) {
  * Create a task and show it in the #task-details div.
  */
 function task_create(shot_id, project_url, task_type) {
+    if (shot_id === undefined || project_url === undefined || task_type === undefined) {
+        if (console) console.log("task_create(", shot_id, project_url, task_type, ") called.");
+        return;
+    }
     var base_url = '/attract/' + project_url + '/tasks/create';
 
-    if (task_type != undefined) {
+    if (task_type) {
         base_url += '/' + task_type;
     }