--- a/hedgewars/uMatrix.pas	Tue May 17 23:18:08 2016 +0300
+++ b/hedgewars/uMatrix.pas	Tue May 17 23:29:49 2016 +0300
@@ -260,7 +260,7 @@
             write(Result[i, j]);
           writeln;
         end;
-        TryDo(false, 'error in matrix multiplication?!', true);
+        checkFails(false, 'error in matrix multiplication?!', true);
     end;
     {$ENDIF}