diff --git a/src/lib.rs b/src/lib.rs
index 0c4da31..8d53fb2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -77,13 +77,13 @@ impl<OP: OutputPin, IP: InputPin> LedButton<OP, IP> {
     /// set the LED to "On"-state.
     pub fn on(&mut self) {
         let _ = self.led.on();
-        self.led_state == LedState::On;
+        self.led_state = LedState::On;
     }
 
     /// set the LED to "Off"-state.
     pub fn off(&mut self) {
         let _ = self.led.off();
-        self.led_state == LedState::Off;
+        self.led_state = LedState::Off;
     }
 
     /// toggle the LED.