1 files changed, 1 insertions, 1 deletions

diff --git a/firmware/target/arm/tcc77x/powermgmt-tcc77x.c b/firmware/target/arm/tcc77x/powermgmt-tcc77x.c
index 90c66d30e6..07a56777d0 100644
--- a/firmware/target/arm/tcc77x/powermgmt-tcc77x.c
+++ b/firmware/target/arm/tcc77x/powermgmt-tcc77x.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)
 {
     return current_voltage;
 }