diff --git a/mount/mountinfo_test_linux.go b/mount/mountinfo_linux_test.go
similarity index 99%
rename from mount/mountinfo_test_linux.go
rename to mount/mountinfo_linux_test.go
index f2e3daa..07ef7e0 100644
--- a/mount/mountinfo_test_linux.go
+++ b/mount/mountinfo_linux_test.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package mount
 
 import (
diff --git a/testutils/testutils.go b/testutils/utils_test.go
similarity index 100%
rename from testutils/testutils.go
rename to testutils/utils_test.go