diff --git a/src/utils/xrAI/server_entity_wrapper.cpp b/src/utils/xrAI/server_entity_wrapper.cpp
index 95a7162ab48..f7dcf5508db 100644
--- a/src/utils/xrAI/server_entity_wrapper.cpp
+++ b/src/utils/xrAI/server_entity_wrapper.cpp
@@ -15,7 +15,7 @@
 #	include "factory_api.h"
 #endif
 
-struct ISE_Abstract;
+class ISE_Abstract;
 
 CServerEntityWrapper::~CServerEntityWrapper	()
 {
diff --git a/src/xrGame/server_entity_wrapper.cpp b/src/xrGame/server_entity_wrapper.cpp
index 95a7162ab48..f7dcf5508db 100644
--- a/src/xrGame/server_entity_wrapper.cpp
+++ b/src/xrGame/server_entity_wrapper.cpp
@@ -15,7 +15,7 @@
 #	include "factory_api.h"
 #endif
 
-struct ISE_Abstract;
+class ISE_Abstract;
 
 CServerEntityWrapper::~CServerEntityWrapper	()
 {
diff --git a/src/xrServerEntities/xrServer_Objects_Abstract.h b/src/xrServerEntities/xrServer_Objects_Abstract.h
index 2eb3a33abbd..0a3cc7a5e93 100644
--- a/src/xrServerEntities/xrServer_Objects_Abstract.h
+++ b/src/xrServerEntities/xrServer_Objects_Abstract.h
@@ -90,7 +90,9 @@ class CSE_Motion
 	virtual CSE_Motion* __stdcall	motion					() = 0;
 };
 
-struct ISE_AbstractLEOwner {
+class ISE_AbstractLEOwner
+{
+public:
     virtual ~ISE_AbstractLEOwner() = 0;
 	virtual void		__stdcall	get_bone_xform			(LPCSTR name, Fmatrix& xform) = 0;
 };
@@ -98,13 +100,15 @@ struct ISE_AbstractLEOwner {
 IC ISE_AbstractLEOwner::~ISE_AbstractLEOwner() {}
 
 #pragma pack(push,1)
-struct visual_data {
+class visual_data
+{
+public:
 	Fmatrix		matrix;
 	CSE_Visual	*visual;
-}; // struct visual_data
+};
 #pragma pack(pop)
 
-struct ISE_Abstract {
+class ISE_Abstract {
 public:
 	enum {
 		flUpdateProperties			= u32(1 << 0),