1 files changed, 2 insertions, 1 deletions
diff --git a/types.h b/types.h
index 1ddcc627..882e7e2c 100644
--- a/types.h
+++ b/types.h
@@ -60,6 +60,7 @@ struct type_s {
         EnumType,
         OptionalType,
         TypeInfoType,
+        MutexedType,
         ModuleType,
     } tag;
 
@@ -117,7 +118,7 @@ struct type_s {
         } EnumType;
         struct {
             type_t *type;
-        } OptionalType;
+        } OptionalType, MutexedType;
         struct {
             const char *name;
             type_t *type;