diff --git a/esp-hal/src/i2c.rs b/esp-hal/src/i2c.rs
index 9eb407a2c5..4f54d7ada6 100644
--- a/esp-hal/src/i2c.rs
+++ b/esp-hal/src/i2c.rs
@@ -23,6 +23,7 @@
 //!     io.pins.gpio2,
 //!     100.kHz(),
 //!     &clocks,
+//!     None,
 //! );
 //! loop {
 //!     let mut data = [0u8; 22];