diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 3a540dc..804dccf 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -18,5 +18,6 @@ jobs:
         sudo apt-get update
         sudo apt-get install build-essential libglib2.0-dev-bin pkg-config libssl-dev libyaml-dev libbsd-dev libnl-3-dev libnl-genl-3-dev libnl-route-3-dev libglib2.0-dev libxml2-dev lcov cmake
         git submodule update --init --recursive
+        python3 waf
         python3 waf test
 
diff --git a/src/linux_daemon/mka_phy_driver_libnl.c b/src/linux_daemon/mka_phy_driver_libnl.c
index 536810b..2487abd 100644
--- a/src/linux_daemon/mka_phy_driver_libnl.c
+++ b/src/linux_daemon/mka_phy_driver_libnl.c
@@ -1368,7 +1368,7 @@ t_MKA_result MKA_PHY_GetTxSANextPN(t_MKA_bus bus, uint8_t an, t_MKA_pn* next_pn)
 
     err = txsc_cache_update(bus);
     pthread_mutex_lock(&txsc_info_cache_mutex);
-    *next_pn = my_libnl_status->txsc_info_cache_data.txpn;
+    *next_pn = my_libnl_status->txsc_info_cache_data.txpn[an];
     pthread_mutex_unlock(&txsc_info_cache_mutex);
     MKA_LOG_DEBUG2("%s: err %d result %d", __func__, err,
            *next_pn);