diff --git a/plugins/jspsych-categorize.js b/plugins/jspsych-categorize.js
index 6519566e..6c107c93 100644
--- a/plugins/jspsych-categorize.js
+++ b/plugins/jspsych-categorize.js
@@ -64,7 +64,7 @@
                     display_element.append($('<div>', {
                         "id": 'jspsych-categorize-stimulus',
                         "class": 'jspsych-categorize-stimulus',
-                        "html: trial.a_path
+                        "html": trial.a_path
                     }));
                 }