diff --git a/sys/dev/mly/mly.c b/sys/dev/mly/mly.c
index 6434534861a..15073f4e4a9 100644
--- a/sys/dev/mly/mly.c
+++ b/sys/dev/mly/mly.c
@@ -42,6 +42,9 @@
 
 #include <cam/scsi/scsi_all.h>
 
+/* XXX: This is not where we should get fldoff() from. */
+#include <struct.h>
+
 #include <dev/mly/mlyreg.h>
 #include <dev/mly/mlyvar.h>
 #define MLY_DEFINE_TABLES