diff --git a/app/javascript/packs/store/modules/parser_params.js b/app/javascript/packs/store/modules/parser_params.js
index 6ced895..f3dd931 100644
--- a/app/javascript/packs/store/modules/parser_params.js
+++ b/app/javascript/packs/store/modules/parser_params.js
@@ -42,7 +42,7 @@ const actions = {
     commit("setRfc5424TimeFormat", event.target.value);
   },
   updateWithPriority({ commit, state }, event) {
-    commit("setWithPriority", event.target.value);
+    commit("setWithPriority", event.target.checked);
   }
 };