diff --git a/internal/manhole.go b/internal/manhole.go
index 9de919b..f02d608 100644
--- a/internal/manhole.go
+++ b/internal/manhole.go
@@ -11,6 +11,9 @@ import (
 
 	// Add tracing routes
 	_ "golang.org/x/net/trace"
+
+	// Expvar routes
+	_ "expvar"
 )
 
 func init() {