diff --git a/src/main/blackbox/blackbox.c b/src/main/blackbox/blackbox.c
index a8805dd9ff..0fae762e8b 100644
--- a/src/main/blackbox/blackbox.c
+++ b/src/main/blackbox/blackbox.c
@@ -307,7 +307,7 @@ typedef struct blackboxGpsState_s {
 
 // This data is updated really infrequently:
 typedef struct blackboxSlowState_s {
-    uint16_t flightModeFlags;
+    uint32_t flightModeFlags; // extend this data size (from uint16_t)
     uint8_t stateFlags;
     uint8_t failsafePhase;
     bool rxSignalReceived;
@@ -742,7 +742,7 @@ static void writeSlowFrame(void)
  */
 static void loadSlowState(blackboxSlowState_t *slow)
 {
-    slow->flightModeFlags = flightModeFlags;
+    slow->flightModeFlags = rcModeActivationMask; //was flightModeFlags;
     slow->stateFlags = stateFlags;
     slow->failsafePhase = failsafePhase();
     slow->rxSignalReceived = rxIsReceivingSignal();