diff --git a/plugins/jspsych-text.js b/plugins/jspsych-text.js
index 7775c822..1f8b7304 100644
--- a/plugins/jspsych-text.js
+++ b/plugins/jspsych-text.js
@@ -13,6 +13,9 @@
         var plugin = {};
 
         plugin.create = function(params) {
+            
+            params = jsPsych.enforceArray(params, ['text','data']);
+            
             var trials = new Array(params.text.length);
             for (var i = 0; i < trials.length; i++) {
                 trials[i] = {};