diff --git a/src/NukiNetworkLock.cpp b/src/NukiNetworkLock.cpp
index 79b05df..6df26ed 100644
--- a/src/NukiNetworkLock.cpp
+++ b/src/NukiNetworkLock.cpp
@@ -713,6 +713,12 @@ void NukiNetworkLock::publishAuthorizationInfo(const std::list<NukiLock::LogEntr
 
             memset(str, 0, sizeof(str));
             NukiLock::completionStatusToString((NukiLock::CompletionStatus)log.data[3], str);
+
+            if (strcmp(str, "undefined") == 0)
+            {
+                itoa(log.data[3], str, 10);
+            }
+
             entry["completionStatus"] = str;
             break;
         case NukiLock::LoggingType::KeypadAction:
diff --git a/src/NukiNetworkOpener.cpp b/src/NukiNetworkOpener.cpp
index 1d8af5c..40c34fd 100644
--- a/src/NukiNetworkOpener.cpp
+++ b/src/NukiNetworkOpener.cpp
@@ -574,6 +574,12 @@ void NukiNetworkOpener::publishAuthorizationInfo(const std::list<NukiOpener::Log
 
             memset(str, 0, sizeof(str));
             NukiOpener::completionStatusToString((NukiOpener::CompletionStatus)log.data[3], str);
+
+            if (strcmp(str, "undefined") == 0)
+            {
+                itoa(log.data[3], str, 10);
+            }
+
             entry["completionStatus"] = str;
             break;
         case NukiOpener::LoggingType::KeypadAction: