diff --git a/src/protocol.h b/src/protocol.h
index 273f50f..7d96d12 100644
--- a/src/protocol.h
+++ b/src/protocol.h
@@ -45,6 +45,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 # define FTE_PEXT_256PACKETENTITIES	0x01000000	// Client can recieve 256 packet entities.
 # define FTE_PEXT_CHUNKEDDOWNLOADS	0x20000000	// alternate file download method. Hopefully it'll give
 												// quadroupled download speed, especially on higher pings.
+# define FTE_PEXT_CSQC				0x40000000	//csqc additions
 #endif // PROTOCOL_VERSION_FTE
 
 #ifdef PROTOCOL_VERSION_FTE2
@@ -233,6 +234,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #endif // FTE_PEXT_MODELDBL
 
 #define svc_fte_spawnbaseline2	66
+#ifdef FTE_PEXT_CSQC
+#define svc_fte_csqcentities	76
+#endif
 #define svc_qizmovoice			83
 
 #ifdef FTE_PEXT2_VOICECHAT