diff --git a/src/frog-base.tsx b/src/frog-base.tsx
index a9204fe9..f7fcd10a 100644
--- a/src/frog-base.tsx
+++ b/src/frog-base.tsx
@@ -613,7 +613,7 @@ export class FrogBase<
         const isHandlerPresentOnImagePath = (() => {
           const routes = inspectRoutes(this.hono)
           const matchesWithoutParamsStash = this.hono.router
-            .match('GET', image)
+            .match('GET', this.basePath + parsePath(image))
             .filter(
               (routeOrParams) => typeof routeOrParams[0] !== 'string',
             ) as unknown as (