@ -181,7 +181,7 @@ void print_vprintf (AP_HAL::Print *s, unsigned char in_progmem, const char *fmt,
flags |= FL_FLTFIX;
} else if (prec > 0)
prec -= 1;
if ((flags & FL_FLTFIX) && fabs(value) > 9999999) {
if ((flags & FL_FLTFIX) && fabsf(value) > 9999999) {
flags = (flags & ~FL_FLTFIX) | FL_FLTEXP;
}