diff --git a/ptf b/ptf
index 85c33a1..5ff8fe6 100755
--- a/ptf
+++ b/ptf
@@ -456,7 +456,7 @@ be subtracted from the result by prefixing them with the '^' character.  """
     elif os.getenv("PTF_PACKET_MANIPULATION_MODULE"):
         config[pmm_key] = os.getenv("PTF_PACKET_MANIPULATION_MODULE")
     else:
-        config[pmm_key] = "ptf.packet_scapy"
+        config[pmm_key] = "bf_pktpy.ptf.packet_pktpy"
 
     return (config, args)