diff --git a/scratch/task_2001600.cc b/scratch/task_2001600.cc
index 6fb46ad1e..a4b344bd7 100644
--- a/scratch/task_2001600.cc
+++ b/scratch/task_2001600.cc
@@ -370,7 +370,7 @@ int main(int argc, char* argv[])
         ptph45.EnablePcap("task-5-subnet45.pcap", ptp45.Get(1), true, true);
         ptph35.EnablePcap("task-3-subnet35.pcap", ptp35.Get(0), true, true);
         ptph35.EnablePcap("task-5-subnet35.pcap", ptp35.Get(1), true, true);
-        phy.EnablePcap("task-9-wifi", apDevice, true, true);
+        phy.EnablePcap("task-9-wifi", apDevice, true);
     }    
     /* ----- End of PCAP Tracing ----- */
 
@@ -392,4 +392,4 @@ NetDeviceContainer createCSMA(NodeContainer nodes, StringValue DataRate, StringV
     csma.SetChannelAttribute("Delay", Delay);
     return csma.Install(nodes);
 
-}
\ No newline at end of file
+}