--- a/hedgewars/uMatrix.pas	Tue May 03 01:07:26 2016 -0400
+++ b/hedgewars/uMatrix.pas	Tue May 03 19:08:27 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}