diff --git a/src/utils/EventUtils.ts b/src/utils/EventUtils.ts
index d69c285e18..849e546485 100644
--- a/src/utils/EventUtils.ts
+++ b/src/utils/EventUtils.ts
@@ -101,7 +101,7 @@ export function findEditableEvent(room: Room, isForward: boolean, fromEventId: s
 
 export function getEventDisplayInfo(mxEvent: MatrixEvent): {
     isInfoMessage: boolean;
-    tileHandler;
+    tileHandler: string;
     isBubbleMessage: boolean;
 } {
     const content = mxEvent.getContent();