1 files changed, 3 insertions, 0 deletions
diff --git a/src/ansi.c b/src/ansi.c
index b8002e2..5f28346 100644
--- a/src/ansi.c
+++ b/src/ansi.c
@@ -1375,6 +1375,9 @@ int c, intermediate;
 	      break;
 	    case 3:	/* COLM: column mode */
 	      i = (i ? Z0width : Z1width);
+	      ClearScreen();
+	      curr->w_x = 0;
+	      curr->w_y = 0;
 	      WChangeSize(curr, i, curr->w_height);
 	      cols = curr->w_width;
 	      rows = curr->w_height;