diff --git a/js/src/forum/components/Search.tsx b/js/src/forum/components/Search.tsx
index 054c0b307..471e39322 100644
--- a/js/src/forum/components/Search.tsx
+++ b/js/src/forum/components/Search.tsx
@@ -76,7 +76,9 @@ export default class Search<T extends SearchAttrs = SearchAttrs> extends Compone
     return this.searchState;
   }
   protected set state(state: SearchState) {
-    fireDeprecationWarning('`state` property of the Search component is deprecated', '3212');
+    // Workaround to prevent triggering deprecation warnings due to Mithril
+    // setting state to undefined when creating components
+    state !== undefined && fireDeprecationWarning('`state` property of the Search component is deprecated', '3212');
     this.searchState = state;
   }