diff --git a/sys/kern/kern_kse.c b/sys/kern/kern_kse.c
index e525316bef3d..eb0617db43b5 100644
--- a/sys/kern/kern_kse.c
+++ b/sys/kern/kern_kse.c
@@ -51,6 +51,8 @@
 #include <vm/uma.h>
 #include <vm/vm_map.h>
 
+#include <machine/frame.h>
+
 /*
  * Thread related storage.
  */
diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c
index e525316bef3d..eb0617db43b5 100644
--- a/sys/kern/kern_thread.c
+++ b/sys/kern/kern_thread.c
@@ -51,6 +51,8 @@
 #include <vm/uma.h>
 #include <vm/vm_map.h>
 
+#include <machine/frame.h>
+
 /*
  * Thread related storage.
  */