diff --git a/radio/src/telemetry/telemetry.h b/radio/src/telemetry/telemetry.h
index 37e89e492..5885f95bd 100644
--- a/radio/src/telemetry/telemetry.h
+++ b/radio/src/telemetry/telemetry.h
@@ -165,6 +165,7 @@ class TelemetryItem
 };
 
 extern TelemetryItem telemetryItems[MAX_SENSORS];
+extern uint8_t allowNewSensors;
 
 inline bool isTelemetryFieldAvailable(int index)
 {
diff --git a/radio/src/tests/frsky.cpp b/radio/src/tests/frsky.cpp
index 2db052dcd..c82109319 100644
--- a/radio/src/tests/frsky.cpp
+++ b/radio/src/tests/frsky.cpp
@@ -129,6 +129,8 @@ TEST(FrSky, Vfas_0x39_HiPrecision)
   TELEMETRY_RESET();
   EXPECT_EQ(telemetryItems[0].value, 0);
 
+  allowNewSensors = true;
+
   // normal precision, resolution 0.1V
   processHubPacket(VFAS_ID, 1234);  // set value of 123.4V
   EXPECT_EQ(telemetryItems[0].value, 12340);      // stored value has resolution of 0.01V
@@ -148,6 +150,8 @@ TEST(FrSky, HubAltNegative)
   TELEMETRY_RESET();
   EXPECT_EQ(telemetryItems[0].value, 0);
 
+  allowNewSensors = true;
+
   // altimeter auto offset
   processHubPacket(BARO_ALT_BP_ID, 0);
   processHubPacket(BARO_ALT_AP_ID, 0);