diff --git a/siprun b/siprun
index 187bdbc..149bd6b 100755
--- a/siprun
+++ b/siprun
@@ -17,7 +17,7 @@ def usage():
 
 def main():
     try:
-        opts, args = getopt.getopt(sys.argv[1:], "sh:p:", ["help", "output="])
+        opts, args = getopt.getopt(sys.argv[1:], "sh:p:d:t:", ["help", "output="])
     except getopt.GetoptError as err:
         # print help information and exit:
         print(err)  # will print something like "option -a not recognized"