diff --git a/neo/framework/Common.h b/neo/framework/Common.h
index 2eedf254..15f110a8 100644
--- a/neo/framework/Common.h
+++ b/neo/framework/Common.h
@@ -261,11 +261,11 @@ public:
 	
 	// Issues a C++ throw. Normal errors just abort to the game loop,
 	// which is appropriate for media or dynamic logic errors.
-	virtual void				Error( VERIFY_FORMAT_STRING const char* fmt, ... ) = 0;
+	virtual void				Error( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_INSTANCE_ATTRIBUTE_PRINTF( 1, 2 ) = 0;
 	
 	// Fatal errors quit all the way to a system dialog box, which is appropriate for
 	// static internal errors or cases where the system may be corrupted.
-	virtual void				FatalError( VERIFY_FORMAT_STRING const char* fmt, ... ) = 0;
+	virtual void                FatalError( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_INSTANCE_ATTRIBUTE_PRINTF( 1, 2 ) = 0;
 	
 	// Returns key bound to the command
 	virtual const char* 		KeysFromBinding( const char* bind ) = 0;
diff --git a/neo/framework/Common_local.h b/neo/framework/Common_local.h
index 590f3e9b..ac52ae6f 100644
--- a/neo/framework/Common_local.h
+++ b/neo/framework/Common_local.h
@@ -157,15 +157,15 @@ public:
 	virtual void				BeginRedirect( char* buffer, int buffersize, void ( *flush )( const char* ) );
 	virtual void				EndRedirect();
 	virtual void				SetRefreshOnPrint( bool set );
-	virtual void				Printf( VERIFY_FORMAT_STRING const char* fmt, ... );
+	virtual void                Printf( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_INSTANCE_ATTRIBUTE_PRINTF( 1, 2 );
 	virtual void				VPrintf( const char* fmt, va_list arg );
-	virtual void				DPrintf( VERIFY_FORMAT_STRING const char* fmt, ... );
-	virtual void				Warning( VERIFY_FORMAT_STRING const char* fmt, ... );
-	virtual void				DWarning( VERIFY_FORMAT_STRING const char* fmt, ... );
+	virtual void                DPrintf( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_INSTANCE_ATTRIBUTE_PRINTF( 1, 2 );
+	virtual void                Warning( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_INSTANCE_ATTRIBUTE_PRINTF( 1, 2 );
+	virtual void                DWarning( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_INSTANCE_ATTRIBUTE_PRINTF( 1, 2 );
 	virtual void				PrintWarnings();
 	virtual void				ClearWarnings( const char* reason );
-	virtual void				Error( VERIFY_FORMAT_STRING const char* fmt, ... );
-	virtual void				FatalError( VERIFY_FORMAT_STRING const char* fmt, ... );
+	virtual void                Error( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_INSTANCE_ATTRIBUTE_PRINTF( 1, 2 );
+	virtual void                FatalError( VERIFY_FORMAT_STRING const char* fmt, ... ) ID_INSTANCE_ATTRIBUTE_PRINTF( 1, 2 );
 	virtual bool				IsShuttingDown() const
 	{
 		return com_shuttingDown;