diff --git a/system/lpc176x/pin_control.h b/system/lpc176x/pin_control.h
index 28464f9..3364209 100644
--- a/system/lpc176x/pin_control.h
+++ b/system/lpc176x/pin_control.h
@@ -124,7 +124,7 @@ struct pin_type {
    * Function
    */
   static constexpr std::array<uint8_t, 10> function_bits_adc{0x2, 0x1, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
-  static constexpr std::array<uint8_t, 10> function_bits_pwm{0x0, 0x0, 0x0, 0x2, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0};
+  static constexpr std::array<uint8_t, 10> function_bits_pwm{0x0, 0x0, 0x0, 0x2, 0x1, 0x0, 0x0, 0x3, 0x0, 0x0};
 
   [[gnu::always_inline]] constexpr uint32_t function_reg_id() const {
     return (gpio_reg_id * 2) + (gpio_reg_bit > 15);