diff --git a/radio/src/gui/view_telemetry.cpp b/radio/src/gui/view_telemetry.cpp
index 5093ae4ac..b7cc5dbc3 100644
--- a/radio/src/gui/view_telemetry.cpp
+++ b/radio/src/gui/view_telemetry.cpp
@@ -389,7 +389,7 @@ void menuTelemetryFrsky(uint8_t event)
     }
     else {
 #if defined(CPUARM)
-      displayVoltageScreenLine(analog > 0 ? 5*FH : 4*FH, analog==1+FRSKY_VOLTS_SOURCE_A1+1 ? FRSKY_VOLTS_SOURCE_A2 : FRSKY_VOLTS_SOURCE_A1);
+      displayVoltageScreenLine(analog > 0 ? 5*FH : 4*FH, analog==1+FRSKY_VOLTS_SOURCE_A1 ? FRSKY_VOLTS_SOURCE_A2 : FRSKY_VOLTS_SOURCE_A1);
 #else
       displayVoltageScreenLine(analog > 0 ? 5*FH : 4*FH, analog ? 2-analog : 0);
 #endif