diff --git a/payload_dumper.py b/payload_dumper.py
index aedf048..d0daa70 100644
--- a/payload_dumper.py
+++ b/payload_dumper.py
@@ -83,6 +83,10 @@ def data_for_op(op,out_file,old_file):
             data = tmp_buff.read(ext.num_blocks*block_size)
             out_file.seek(ext.start_block*block_size)
             out_file.write(data)
+    elif op.type == op.ZERO:
+        for ext in op.dst_extents:
+            out_file.seek(ext.start_block*block_size)
+            out_file.write('\0' * ext.num_blocks*block_size)
     else:
         print ("Unsupported type = %d" % op.type)
         sys.exit(-1)