diff --git a/indra/llinventory/llparcel.h b/indra/llinventory/llparcel.h
index 9ece9b58e55dc83eeaa78cb7baa62ef454c45072..067391b5a19a38ebc2821db07b3f83187b2984a1 100644
--- a/indra/llinventory/llparcel.h
+++ b/indra/llinventory/llparcel.h
@@ -102,7 +102,9 @@ const U32 RT_LIST	= 0x1 << 4;
 const U32 RT_SELL	= 0x1 << 5;
 
 const S32 INVALID_PARCEL_ID = -1;
-const S32 INVALID_PARCEL_ENVIRONMENT_VERSION = -1;
+
+// if Region settings are used, parcel env. version is -1
+const S32 INVALID_PARCEL_ENVIRONMENT_VERSION = -2;
 
 // Timeouts for parcels
 // default is 21 days * 24h/d * 60m/h * 60s/m *1000000 usec/s = 1814400000000