diff --git a/tools/syz-prog2c/prog2c.go b/tools/syz-prog2c/prog2c.go
index f0ab63f3..93a25104 100644
--- a/tools/syz-prog2c/prog2c.go
+++ b/tools/syz-prog2c/prog2c.go
@@ -12,6 +12,7 @@ import (
 
 	"github.com/google/syzkaller/pkg/csource"
 	"github.com/google/syzkaller/prog"
+	_ "github.com/google/syzkaller/sys"
 )
 
 var (