1 files changed, 1 insertions, 1 deletions

diff --git a/firmware/target/arm/tcc77x/iaudio7/powermgmt-iaudio7.c b/firmware/target/arm/tcc77x/iaudio7/powermgmt-iaudio7.c
index 9b65bbde1f..bc7ead61f0 100644
--- a/firmware/target/arm/tcc77x/iaudio7/powermgmt-iaudio7.c
+++ b/firmware/target/arm/tcc77x/iaudio7/powermgmt-iaudio7.c
@@ -59,7 +59,7 @@ const unsigned short percent_to_volt_charge[11] =
 /* full-scale ADC readout (2^10) in millivolt */
 
 /* Returns battery voltage from ADC [millivolts] */
-unsigned int battery_adc_voltage(void)
+int _battery_voltage(void)
 {
     static unsigned last_tick = 0;