diff --git a/examples/smoketest/cleararea.js b/examples/smoketest/cleararea.js
new file mode 100644
index 0000000..fbba51a
--- /dev/null
+++ b/examples/smoketest/cleararea.js
@@ -0,0 +1,18 @@
+var x11 = require('../../lib');
+var Window = require('./wndwrap');
+
+x11.createClient(function(err, display) {
+    var X = display.client;
+    var w = new Window(X, 0, 0, 700, 500);
+    w.map();
+
+    var render = function() {
+      //X.ChangeGC(w.gc.id, { foreground: w.black, background: w.white });
+      var gc = X.AllocID();
+      X.CreateGC(gc, w.id, { foreground: w.black, background: w.white });
+      X.PolyFillRectangle(w.id, gc, [50, 50, 600, 400]);
+      X.ClearArea(w.id, 0, 0, 300, 300, 0);
+    }
+
+    setTimeout(render, 100); // sometimes doesn't render without a delay
+});
diff --git a/lib/corereqs.js b/lib/corereqs.js
index 5c1bc9f..8fa1d76 100644
--- a/lib/corereqs.js
+++ b/lib/corereqs.js
@@ -782,6 +782,12 @@ var templates = {
         }
    ],
 
+   ClearArea: [
+       function(wid, x, y, width, height, exposures) {
+          return [ 'CCSLssSS', [61, exposures, 4, wid, x, y, width, height] ];
+       }
+   ],
+
    //
    CopyArea: [
        function(srcDrawable, dstDrawable, gc, srcX, srcY, dstX, dstY, width, height) {