diff --git a/plugins/function_declarations.h b/plugins/function_declarations.h
index 60490a7c..3f101727 100644
--- a/plugins/function_declarations.h
+++ b/plugins/function_declarations.h
@@ -154,6 +154,8 @@
     __cdecl qboolean Plugin_NET_CompareAdr (netadr_t *a, netadr_t *b);
     __cdecl qboolean Plugin_NET_CompareBaseAdrMask(netadr_t *a, netadr_t *b, int netmask);
     __cdecl qboolean Plugin_NET_CompareBaseAdr (netadr_t *a, netadr_t *b);
+    
+    __cdecl qboolean Plugin_IsLANAddress(netadr_t *a);
 
     /* Do not use anymore */
 //    __cdecl const char *Plugin_NET_AdrToString (netadr_t *a);
diff --git a/src/asmsource/pluginexports.asm b/src/asmsource/pluginexports.asm
index eca7390c..be4309bb 100644
--- a/src/asmsource/pluginexports.asm
+++ b/src/asmsource/pluginexports.asm
@@ -125,6 +125,7 @@ pexport NET_CompareAdr
 ralias Plugin_Milliseconds, Sys_Milliseconds
 ralias Plugin_SleepSec, Sys_SleepSec
 ralias Plugin_SleepMSec, Sys_SleepMSec
+ralias Plugin_IsLANAddress, Sys_IsLANAddress
 
 pexport Scr_AddEntity
 pexport Scr_AllocArray