diff --git a/addons/ondevice-backgrounds/src/constants.js b/addons/ondevice-backgrounds/src/constants.js
index 8e876dace84..d28430f5e05 100644
--- a/addons/ondevice-backgrounds/src/constants.js
+++ b/addons/ondevice-backgrounds/src/constants.js
@@ -1,4 +1,4 @@
-export const PARAM_KEY = 'background';
+export const PARAM_KEY = 'backgrounds';
 export const ADDON_ID = 'storybook-addon-background';
 export const PANEL_ID = `${ADDON_ID}/background-panel`;