diff --git a/src/drawline.c b/src/drawline.c
index 6b9cbc6..fcca38a 100644
--- a/src/drawline.c
+++ b/src/drawline.c
@@ -2455,6 +2455,7 @@
 	    wp->w_wrow = row;
 	    did_wcol = TRUE;
 	    curwin->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL;
+	    curwin->w_flags &= ~(WFLAG_WCOL_OFF_ADDED | WFLAG_WROW_OFF_ADDED);
 	}
 #endif