diff --git a/src/Systems/electrical.cxx b/src/Systems/electrical.cxx index b3109d518..0a02f2c32 100644 --- a/src/Systems/electrical.cxx +++ b/src/Systems/electrical.cxx @@ -364,8 +364,8 @@ void FGElectricalSystem::update (double dt) { // naming conventions in the electrical system config) ... FIXME: // make this more generic double amps = 0.0; - if ( fgGetBool("/controls/switches/master-bat") ) { - if ( fgGetBool("/controls/switches/master-alt") && + if ( fgGetBool("/controls/engines/engine[0]/master-bat") ) { + if ( fgGetBool("/controls/engines/engine[0]/master-alt") && fgGetDouble("/engines/engine[0]/rpm") > 800 ) { amps += 40.0 * alt_norm;