diff --git a/src/project_configuration.cpp b/src/project_configuration.cpp
index c7eac3a..eaf27dd 100644
--- a/src/project_configuration.cpp
+++ b/src/project_configuration.cpp
@@ -131,6 +131,7 @@ void ProjectConfigurationManagement::writeProjectConfiguration(Configuration &co
   data["lora"]["spreading_factor"]        = conf.lora.spreadingFactor;
   data["lora"]["signal_bandwidth"]        = conf.lora.signalBandwidth;
   data["lora"]["coding_rate4"]            = conf.lora.codingRate4;
+  data["lora"]["txok"]                    = conf.lora.txok;
   data["display"]["always_on"]            = conf.display.alwaysOn;
   data["display"]["timeout"]              = conf.display.timeout;
   data["display"]["overwrite_pin"]        = conf.display.overwritePin;
diff --git a/src/project_configuration.h b/src/project_configuration.h
index 91743c8..854d450 100644
--- a/src/project_configuration.h
+++ b/src/project_configuration.h
@@ -79,7 +79,7 @@ public:
 
   class LoRa {
   public:
-    LoRa() : frequencyRx(433775000), frequencyTx(433775000), power(20), spreadingFactor(12), signalBandwidth(125000), codingRate4(5) {
+    LoRa() : frequencyRx(433775000), frequencyTx(433775000), power(20), spreadingFactor(12), signalBandwidth(125000), codingRate4(5), txok(false) {
     }
 
     long    frequencyRx;