diff --git a/src/pyflipper/lib/led.py b/src/pyflipper/lib/led.py
index 75b71ec..32922da 100644
--- a/src/pyflipper/lib/led.py
+++ b/src/pyflipper/lib/led.py
@@ -17,7 +17,7 @@ def green(self, value: int) -> None:
         self.set(led='g', value=value)
     
     def blue(self, value: int) -> None:
-        self.set(led='r', value=value)
+        self.set(led='b', value=value)
     
     def off(self) -> None:
         self.red(value=0)
@@ -28,4 +28,4 @@ def backlight_on(self) -> None:
         self.set(led='bl', value=255)
     
     def backlight_off(self) -> None:
-        self.set(led='bl', value=0)
\ No newline at end of file
+        self.set(led='bl', value=0)