diff --git a/lib/index.js b/lib/index.js
index 74b73bd..a4cefa8 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -12,7 +12,7 @@ function _setupFlight(type, tasksOrFn, fn) {
   var tasks;
   if(typeof tasksOrFn === 'string') {
     tasks = [tasksOrFn];
-  } else if(Array.isArray(tasks)) {
+  } else if(Array.isArray(tasksOrFn)) {
     tasks = tasksOrFn;
   } else {
     tasks = [DEFAULT_TASK];
@@ -321,4 +321,4 @@ Flightplan.prototype.abort = function(message) {
 };
 
 var instance = new Flightplan();
-module.exports = instance;
\ No newline at end of file
+module.exports = instance;