diff --git a/indra/llcommon/indra_constants.h b/indra/llcommon/indra_constants.h
index 5ce5fc46734ca18877f7b9d80008fc01ab908761..064841a95ac3b99027a3daf580243506abab2ee3 100644
--- a/indra/llcommon/indra_constants.h
+++ b/indra/llcommon/indra_constants.h
@@ -267,14 +267,15 @@ const U8 GOD_LIKE = 1;
 const U8 GOD_NOT = 0;
 
 // "agent id" for things that should be done to ALL agents
-extern const LLUUID LL_UUID_ALL_AGENTS;
+extern LL_COMMON_API const LLUUID LL_UUID_ALL_AGENTS;
 
-// Governor Linden's agent id.
-extern const LLUUID ALEXANDRIA_LINDEN_ID;	// inventory library owner
-extern const LLUUID GOVERNOR_LINDEN_ID;
-extern const LLUUID REALESTATE_LINDEN_ID;
+// inventory library owner
+extern LL_COMMON_API const LLUUID ALEXANDRIA_LINDEN_ID;
+
+extern LL_COMMON_API const LLUUID GOVERNOR_LINDEN_ID;
+extern LL_COMMON_API const LLUUID REALESTATE_LINDEN_ID;
 // Maintenance's group id.
-extern const LLUUID MAINTENANCE_GROUP_ID;
+extern LL_COMMON_API const LLUUID MAINTENANCE_GROUP_ID;
 
 // Flags for kick message
 const U32 KICK_FLAGS_DEFAULT	= 0x0;