diff --git a/lib/ext/render.js b/lib/ext/render.js
index cf01c39..cac22db 100644
--- a/lib/ext/render.js
+++ b/lib/ext/render.js
@@ -151,6 +151,12 @@ exports.requireExt = function(display, callback)
                 X.pack_stream.flush();
             }
 
+            ext.FreePicture = function(pid) {
+                X.seq_num++;
+                X.pack_stream.pack('CCSL', [ext.majorOpcode, 7, 2, pid]);
+                X.pack_stream.flush();
+            }
+
             function floatToFix(f)
             {
                 return parseInt(f*65536);