diff --git a/src/mess/machine/rx01.c b/src/mess/machine/rx01.c
index 600c1210391..1a9b23c248d 100644
--- a/src/mess/machine/rx01.c
+++ b/src/mess/machine/rx01.c
@@ -91,6 +91,7 @@ void rx01_device::device_reset()
 		floppy_drive_set_controller(m_image[i], this);
 		floppy_drive_set_rpm(m_image[i], 360.);
 	}
+	m_rxes = 0;
 }
 
 //-------------------------------------------------