diff --git a/src/cmd/godoc/main.go b/src/cmd/godoc/main.go
index 3154c1f7e1..074ce4028f 100644
--- a/src/cmd/godoc/main.go
+++ b/src/cmd/godoc/main.go
@@ -30,6 +30,7 @@ import (
 	"flag"
 	"fmt"
 	"http"
+	_ "http/pprof"
 	"io"
 	"log"
 	"os"