diff --git a/src/pkg/http/request.go b/src/pkg/http/request.go
index d077224026d..89a5d837cdf 100644
--- a/src/pkg/http/request.go
+++ b/src/pkg/http/request.go
@@ -167,7 +167,7 @@ func (req *Request) Write(w io.Writer) os.Error {
 		host = req.URL.Host
 	}
 
-	uri := urlEscape(req.URL.Path, false)
+	uri := valueOrDefault(urlEscape(req.URL.Path, false), "/")
 	if req.URL.RawQuery != "" {
 		uri += "?" + req.URL.RawQuery
 	}