diff --git a/app/javascript/retrospring/features/inbox/author.ts b/app/javascript/retrospring/features/inbox/author.ts
index 17a77106..456b0ed5 100644
--- a/app/javascript/retrospring/features/inbox/author.ts
+++ b/app/javascript/retrospring/features/inbox/author.ts
@@ -2,5 +2,5 @@ export function authorSearchHandler(event: Event): void {
   event.preventDefault();
 
   const author = document.querySelector<HTMLInputElement>('#author')?.value;
-  window.location.href = `/inbox/${author}`;
+  window.location.href = `/inbox/${encodeURIComponent(author)}`;
 }
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