diff --git a/nsenter/nsenter_unsupported.go b/nsenter/nsenter_unsupported.go
index 2459c6367..ac701ca39 100644
--- a/nsenter/nsenter_unsupported.go
+++ b/nsenter/nsenter_unsupported.go
@@ -1,3 +1,5 @@
 // +build !linux !cgo
 
 package nsenter
+
+import "C"