diff --git a/static/app/views/replays/detail/breadcrumbs/useBreadcrumbFilters.tsx b/static/app/views/replays/detail/breadcrumbs/useBreadcrumbFilters.tsx
index 31c0a83809a39..9ead461ded05e 100644
--- a/static/app/views/replays/detail/breadcrumbs/useBreadcrumbFilters.tsx
+++ b/static/app/views/replays/detail/breadcrumbs/useBreadcrumbFilters.tsx
@@ -117,7 +117,7 @@ function useBreadcrumbFilters({frames}: Options): Return {
 
   // add custom breadcrumbs to filter
   frames.forEach(frame => {
-    if (!OPORCATEGORY_TO_TYPE[getFrameOpOrCategory(frame)]) {
+    if (!(getFrameOpOrCategory(frame) in OPORCATEGORY_TO_TYPE)) {
       OPORCATEGORY_TO_TYPE[getFrameOpOrCategory(frame)] = 'custom';
     }
   });