diff --git a/CMakeLists.txt b/CMakeLists.txt
index 26950a1..b36074e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ file(GLOB SRCFILES
         lib/Crc16/Crc16.h
         lib/nuki_ble/src/NukiBle.cpp
         lib/nuki_ble/src/NukiConstants.h
-        lib/nuki_ble/src/NukiDataTypes.cpp
+        lib/nuki_ble/src/NukiDataTypes.h
         lib/nuki_ble/src/NukiUtils.cpp
         lib/nuki_ble/src/BleScanner.cpp
         lib/pubsubclient/src/PubSubClient.cpp
diff --git a/NukiWrapper.cpp b/NukiWrapper.cpp
index 8497492..f5aa992 100644
--- a/NukiWrapper.cpp
+++ b/NukiWrapper.cpp
@@ -103,7 +103,14 @@ void NukiWrapper::update()
 
     if(_nextLockAction != (Nuki::LockAction)0xff)
     {
-         _nukiBle.lockAction(_nextLockAction, 0, 0);
+         Nuki::CmdResult cmdResult = _nukiBle.lockAction(_nextLockAction, 0, 0);
+
+         char resultStr[15] = {0};
+         Nuki::cmdResultToString(cmdResult, resultStr);
+
+         Serial.print(F("Lock action result: "));
+         Serial.println(resultStr);
+
          _nextLockAction = (Nuki::LockAction)0xff;
          if(_intervalLockstate > 10)
          {
diff --git a/lib/nuki_ble b/lib/nuki_ble
index 4d68283..7bb5d57 160000
--- a/lib/nuki_ble
+++ b/lib/nuki_ble
@@ -1 +1 @@
-Subproject commit 4d6828366f61b93e41d5856b9099d82f5e27acf2
+Subproject commit 7bb5d57d9e4877ff7410cc720735fe0822df160e