diff --git a/src/vid_ega.c b/src/vid_ega.c
index 2cfc331..fc43dd5 100644
--- a/src/vid_ega.c
+++ b/src/vid_ega.c
@@ -503,6 +503,8 @@ void ega_poll(void *p)
                         if (ega->sc == (ega->crtc[9] & 31))
                         {
                                 ega->sc = 0;
+                                if (ega->sc == (ega->crtc[11] & 31))
+                                        ega->con = 0;
 
                                 ega->maback += (ega->rowoffset << 3);
                                 ega->maback &= ega->vrammask;