diff --git a/nbextensions/usability/hide_input/hide-input.yaml b/nbextensions/usability/hide_input/hide-input.yaml
index 8c4e9a0..45e6814 100644
--- a/nbextensions/usability/hide_input/hide-input.yaml
+++ b/nbextensions/usability/hide_input/hide-input.yaml
@@ -2,4 +2,5 @@ Type: IPython Notebook Extension
 Compatibility: 3.x 4.x
 Main: main.js
 Name: Hide input
+Icon: icon.png
 Description: "toggle display of selected code cell's input"