diff --git a/progress_go1.7_test.go b/progress_go1.7_test.go
index e3607a0..b7ede0c 100644
--- a/progress_go1.7_test.go
+++ b/progress_go1.7_test.go
@@ -1,4 +1,5 @@
 //+build go1.7
+
 package mpb_test
 
 import (