diff --git a/public/tier0/platform.h b/public/tier0/platform.h
index 95d73cca..1809714a 100644
--- a/public/tier0/platform.h
+++ b/public/tier0/platform.h
@@ -1117,6 +1117,8 @@ PLATFORM_INTERFACE void				Plat_ExitProcess( int nCode );
 
 PLATFORM_INTERFACE bool				Plat_ShouldCollectMiniDumpsForFatalErrors();
 
+PLATFORM_INTERFACE void				Plat_NonFatalErrorFunc( const tchar *pMsg, ... ) FMTFUNCTION( 1, 2 );
+
 #define Plat_FatalError( ... ) do { Log_Error( LOG_GENERAL, ##__VA_ARGS__ ); Plat_ExitProcess( EXIT_FAILURE ); } while( 0 )
 #define Plat_FatalErrorFunc