diff --git a/plugins/jspsych-video-button-response.js b/plugins/jspsych-video-button-response.js
index afcb581c..f0c199ee 100644
--- a/plugins/jspsych-video-button-response.js
+++ b/plugins/jspsych-video-button-response.js
@@ -12,7 +12,7 @@ jsPsych.plugins["video-button-response"] = (function() {
 
   var plugin = {};
 
-  jsPsych.pluginAPI.registerPreload('video-button-response', 'stimulus', 'video');
+  jsPsych.pluginAPI.registerPreload('video-button-response', 'sources', 'video');
 
   plugin.info = {
     name: 'video-button-response',
diff --git a/plugins/jspsych-video-keyboard-response.js b/plugins/jspsych-video-keyboard-response.js
index 57539c4c..a2f811d7 100644
--- a/plugins/jspsych-video-keyboard-response.js
+++ b/plugins/jspsych-video-keyboard-response.js
@@ -12,7 +12,7 @@ jsPsych.plugins["video-keyboard-response"] = (function() {
 
   var plugin = {};
 
-  jsPsych.pluginAPI.registerPreload('video-keyboard-response', 'stimulus', 'video');
+  jsPsych.pluginAPI.registerPreload('video-keyboard-response', 'sources', 'video');
 
   plugin.info = {
     name: 'video-keyboard-response',
diff --git a/plugins/jspsych-video-slider-response.js b/plugins/jspsych-video-slider-response.js
index 205c3fbc..654d4e75 100644
--- a/plugins/jspsych-video-slider-response.js
+++ b/plugins/jspsych-video-slider-response.js
@@ -12,7 +12,7 @@ jsPsych.plugins["video-slider-response"] = (function() {
 
   var plugin = {};
 
-  jsPsych.pluginAPI.registerPreload('video-slider-response', 'stimulus', 'video');
+  jsPsych.pluginAPI.registerPreload('video-slider-response', 'sources', 'video');
 
   plugin.info = {
     name: 'video-slider-response',