diff --git a/tests/jsPsych.data/trialparameters.test.js b/tests/jsPsych.data/trialparameters.test.js
index 3040146f..0fced0a1 100644
--- a/tests/jsPsych.data/trialparameters.test.js
+++ b/tests/jsPsych.data/trialparameters.test.js
@@ -88,7 +88,7 @@ describe('Trial parameters in the data', function(){
       timeline: [trial]
     });
 
-    utils.pressKey(32);
+    utils.pressKey(' ');
 
     expect(spy).toHaveBeenCalled();
 		spy.mockRestore();