diff --git a/sys/sys/imgact_elf.h b/sys/sys/imgact_elf.h
index beb5f96fc030..0ec04fc1d5d7 100644
--- a/sys/sys/imgact_elf.h
+++ b/sys/sys/imgact_elf.h
@@ -39,6 +39,7 @@
 
 struct image_params;
 struct thread;
+struct vnode;
 
 /*
  * Structure used to pass information from the loader to the