1 files changed, 1 insertions, 1 deletions

diff --git a/firmware/target/arm/pbell/vibe500/powermgmt-vibe500.c b/firmware/target/arm/pbell/vibe500/powermgmt-vibe500.c
index d84881cea1..dbd7d8cbf7 100644
--- a/firmware/target/arm/pbell/vibe500/powermgmt-vibe500.c
+++ b/firmware/target/arm/pbell/vibe500/powermgmt-vibe500.c
@@ -51,7 +51,7 @@ 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 (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
 }