diff --git a/observations/setup.go b/observations/setup.go
index ef455ec5..937fef72 100644
--- a/observations/setup.go
+++ b/observations/setup.go
@@ -113,7 +113,7 @@ func setupMetrics(cfg *MetricsConfig) error {
 		zpages.Handle(mux, "/debug")
 		mux.Handle("/metrics", pe)
 		mux.Handle("/debug/vars", expvar.Handler())
-		mux.HandleFunc("/debug/pprof", pprof.Index)
+		mux.HandleFunc("/debug/pprof/", pprof.Index)
 		mux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
 		mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
 		mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)