diff --git a/reftables/shf_reftable.lisp b/reftables/shf_reftable.lisp
index 85e08363..d5868b29 100644
--- a/reftables/shf_reftable.lisp
+++ b/reftables/shf_reftable.lisp
@@ -3,7 +3,7 @@
 (defcolumns 
   (IOMF :binary)
   (BYTE1 :byte)
-  (MSHP :i8)
+  (MSHP :byte)
   (LAS :byte)
   (RAP :byte)
   (ONES :byte))