diff --git a/gerbmerge/jobs.py b/gerbmerge/jobs.py
index 586cdb3..3545727 100644
--- a/gerbmerge/jobs.py
+++ b/gerbmerge/jobs.py
@@ -801,6 +801,7 @@ def writeGerber(self, fid, layername, Xoff, Yoff):
     # (exposure off). This prevents an unintentional draw from the end
     # of one job to the beginning of the next when a layer is repeated
     # due to panelizing.
+    fid.write('%LPD*%')
     fid.write('X%07dY%07dD02*\n' % (X, Y))
     for cmd in self.commands[layername]:
       if type(cmd) is types.TupleType: