diff --git a/components/engine/commands.go b/components/engine/commands.go
index 6212459b42..8112af021f 100644
--- a/components/engine/commands.go
+++ b/components/engine/commands.go
@@ -1199,7 +1199,7 @@ func (cli *DockerCli) stream(method, path string, in io.Reader, out io.Writer) e
 	if (method == "POST" || method == "PUT") && in == nil {
 		in = bytes.NewReader([]byte{})
 	}
-	req, err := http.NewRequest(method, fmt.Sprintf("http://%s:%d/v%f%s", cli.addr, cli.port, API_VERSION, path), in)
+	req, err := http.NewRequest(method, fmt.Sprintf("http://%s:%d/v%g%s", cli.addr, cli.port, API_VERSION, path), in)
 	if err != nil {
 		return err
 	}
@@ -1230,7 +1230,7 @@ func (cli *DockerCli) stream(method, path string, in io.Reader, out io.Writer) e
 }
 
 func (cli *DockerCli) hijack(method, path string, setRawTerminal bool) error {
-	req, err := http.NewRequest(method, fmt.Sprintf("/v%f%s", API_VERSION, path), nil)
+	req, err := http.NewRequest(method, fmt.Sprintf("/v%g%s", API_VERSION, path), nil)
 	if err != nil {
 		return err
 	}