diff --git a/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c b/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c
index 45cc390d13..68594d0f0e 100644
--- a/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c
+++ b/firmware/target/arm/rk27xx/rk27generic/power-rk27generic.c
@@ -45,5 +45,5 @@ unsigned int power_input_status(void)
 
 bool charging_state(void)
 {
-   return true;
+   return (usb_detect() == USB_INSERTED);
 }