diff --git a/scapy/arch/pcapdnet.py b/scapy/arch/pcapdnet.py
index 4ee4d99e0a6f8fb18472cf4fc95406e58f3d279e..94673d7d284695cfa9569e41d67646301a250f19 100644
--- a/scapy/arch/pcapdnet.py
+++ b/scapy/arch/pcapdnet.py
@@ -54,7 +54,7 @@ if conf.use_pcap:
                     warning("__del__: don't know how to close the file descriptor. Bugs ahead ! Please report this bug.")
                 def next(self):
                     c = self.pcap.next()
-                    if c is None
+                    if c is None:
                         return
                     ts, pkt = c
                     return ts, str(pkt)