diff --git a/builtins/types.c b/builtins/types.c
index 965bb06..56826b5 100644
--- a/builtins/types.c
+++ b/builtins/types.c
@@ -38,8 +38,8 @@ public uint32_t generic_hash(const void *obj, const TypeInfo *type)
         halfsiphash(hash_values, sizeof(uint32_t)*info.members.length, SSS_HASH_VECTOR, (uint8_t*)&hash, sizeof(hash));
         return hash;
     }
-    case TaggedUnionInfo: {
-        auto info = type->TaggedUnionInfo;
+    case EnumInfo: {
+        auto info = type->EnumInfo;
         int32_t tag = *(int32_t*)obj;
         int64_t offset = 4;
         typedef struct { int64_t tag; const char *name; const TypeInfo *type;} tu_member_t;
@@ -95,8 +95,8 @@ public int32_t generic_compare(const void *x, const void *y, const TypeInfo *typ
         }
         return 0;
     }
-    case TaggedUnionInfo: {
-        auto info = type->TaggedUnionInfo;
+    case EnumInfo: {
+        auto info = type->EnumInfo;
         int32_t xtag = *(int32_t*)x,
                 ytag = *(int32_t*)y;
 
@@ -146,8 +146,8 @@ public bool generic_equal(const void *x, const void *y, const TypeInfo *type)
         }
         return true;
     }
-    case TaggedUnionInfo: {
-        auto info = type->TaggedUnionInfo;
+    case EnumInfo: {
+        auto info = type->EnumInfo;
         int32_t xtag = *(int32_t*)x,
                 ytag = *(int32_t*)y;
 
@@ -256,8 +256,8 @@ public CORD generic_cord(const void *obj, bool colorize, const TypeInfo *type)
             CORD_sprintf(&c, colorize ? "\x1b[1m%s\x1b[m%r" : "%s%r", type->name, c);
         return c;
     }
-    case TaggedUnionInfo: {
-        auto info = type->TaggedUnionInfo;
+    case EnumInfo: {
+        auto info = type->EnumInfo;
         int32_t tag = *(int32_t*)obj;
         int64_t offset = 4;
         typedef struct { int64_t tag; const char *name; const TypeInfo *type;} tu_member_t;
diff --git a/builtins/types.h b/builtins/types.h
index 72f7884..960098b 100644
--- a/builtins/types.h
+++ b/builtins/types.h
@@ -17,7 +17,7 @@ typedef struct TypeInfo {
     const char *name;
     int64_t size, align;
     struct { // Anonymous tagged union for convenience 
-        enum { CustomInfo, PointerInfo, ArrayInfo, TableInfo, StructInfo, TaggedUnionInfo } tag;
+        enum { CustomInfo, PointerInfo, ArrayInfo, TableInfo, StructInfo, EnumInfo } tag;
         union {
             struct {
                 equal_fn_t equal;
@@ -42,7 +42,7 @@ typedef struct TypeInfo {
             } StructInfo;
             struct {
                 array_t members; // [{tag, name, type}]
-            } TaggedUnionInfo;
+            } EnumInfo;
         };
     };
 } TypeInfo;