diff -r dc7d3b7a918c -r 9c544823d090 src/Zone.cpp
--- a/src/Zone.cpp	Sat Aug 04 17:51:43 2012 -0700
+++ b/src/Zone.cpp	Sat Aug 04 19:33:06 2012 -0700
@@ -78,6 +78,8 @@
         return false;
     if ((maps_[MapKind_MetaArray] = allocateMap(MapKind_MetaArray, sizeof(Map))) == NULL)
         return false;
+    if ((maps_[MapKind_MetaStruct] = allocateMap(MapKind_MetaStruct, sizeof(Map))) == NULL)
+        return false;
     if ((maps_[MapKind_MetaEnvironment] = allocateMap(MapKind_MetaEnvironment, sizeof(Map))) == NULL)
         return false;
     if ((maps_[MapKind_Module] = allocateMap(MapKind_Module, sizeof(Map))) == NULL)