diff --git a/microsim/microsim.ui.h b/microsim/microsim.ui.h

index ffb870d..6ad96db 100755

--- a/microsim/microsim.ui.h

+++ b/microsim/microsim.ui.h

@@ -9,7 +9,7 @@

 ** These will automatically be called by the form's constructor and

 ** destructor.

 *****************************************************************************/

-

+#include <typeinfo>

 /* Initiates file open action */

 void MicroSim::fileOpen()