diff --git a/lib/widget.js b/lib/widget.js
index a7160ea..70a04c9 100644
--- a/lib/widget.js
+++ b/lib/widget.js
@@ -534,16 +534,17 @@ Screen.prototype.__defineGetter__('height', function() {
 });
 
 Screen.prototype.alloc = function() {
-  this.program.clear();
   var x, y;
+
   this.lines = [];
   for (y = 0; y < this.rows; y++) {
     this.lines[y] = [];
     for (x = 0; x < this.cols; x++) {
       this.lines[y][x] = [this.dattr, ' '];
     }
-    this.lines[y].dirty = true;
+    this.lines[y].dirty = false;
   }
+
   this.olines = [];
   for (y = 0; y < this.rows; y++) {
     this.olines[y] = [];
@@ -551,6 +552,8 @@ Screen.prototype.alloc = function() {
       this.olines[y][x] = [this.dattr, ' '];
     }
   }
+
+  this.program.clear();
 };
 
 Screen.prototype.render = function() {