diff --git a/common/app/routes/Hikes/flux/Actions.js b/common/app/routes/Hikes/flux/Actions.js
index 580ff0e0746..5220286759d 100644
--- a/common/app/routes/Hikes/flux/Actions.js
+++ b/common/app/routes/Hikes/flux/Actions.js
@@ -246,7 +246,9 @@ export default Actions({
             toast: {
               title: 'Congratulations!',
               message: 'Hike completed',
-              id: state.toast && state.toast.id ? state.toast.id + 1 : 0,
+              id: state.toast && typeof state.toast.id === 'number' ?
+                state.toast.id + 1 :
+                0,
               type: 'success'
             }
           };