diff --git a/src/Event.h b/src/Event.h
index 5b995579fc..e9a441c55b 100644
--- a/src/Event.h
+++ b/src/Event.h
@@ -38,7 +38,7 @@ namespace detail {
  */
 struct MetadataDescriptor {
     zeek_uint_t id;
-    EnumValPtr enum_val;
+    EnumValPtr id_val;
     TypePtr type;
 };