diff --git a/lib/widget.js b/lib/widget.js
index de66ebb..e49a896 100644
--- a/lib/widget.js
+++ b/lib/widget.js
@@ -502,13 +502,10 @@ Screen.prototype.render = function() {
 
 Screen.prototype.blankLine = function(ch, dirty) {
   var out = [];
-  for (var y = 0; y < this.rows; y++) {
-    out[y] = [];
-    for (var x = 0; x < this.cols; x++) {
-      out[y][x] = [this.dattr, ch || ' '];
-    }
-    out[y].dirty = dirty;
+  for (var x = 0; x < this.cols; x++) {
+    out[x] = [this.dattr, ch || ' '];
   }
+  out.dirty = dirty;
   return out;
 };