Fix check of queue tx packet counters
diff --git a/tests/pktact.py b/tests/pktact.py
index 1b9f9d3..8053ed5 100644
--- a/tests/pktact.py
+++ b/tests/pktact.py
@@ -295,8 +295,8 @@
                 # Make sure that tx packet counter for selected egress queue was
                 # incremented
 
-                self.assertEqual(qs_after.stats.stats[0].tx_packets, \
-                                 qs_before.stats.stats[0].tx_packets + 1, \
+                self.assertEqual(qs_after.stats[0].tx_packets, \
+                                 qs_before.stats[0].tx_packets + 1, \
                                  "Verification of egress queue tx packet count failed"
                                  )