diff --git a/Readme.markdown b/Readme.markdown
index c8f6ca0..e5f6507 100644
--- a/Readme.markdown
+++ b/Readme.markdown
@@ -181,7 +181,7 @@ Rust language:
     let chrs: Vec<char> = "3141592653589793238462643383".chars().collect();
     let segs = QrSegment::make_segments(&chrs);
     let qr = QrCode::encode_segments_advanced(
-        &segs, QrCodeEcc::High, 5, 5, Some(2), false).unwrap();
+        &segs, QrCodeEcc::High, 5, 5, Some(Mask::new(2)), false).unwrap();
     for y in 0 .. qr.size() {
         for x in 0 .. qr.size() {
             (... paint qr.get_module(x, y) ...)
diff --git a/rust/Readme.markdown b/rust/Readme.markdown
index 48b579f..2b56474 100644
--- a/rust/Readme.markdown
+++ b/rust/Readme.markdown
@@ -47,7 +47,7 @@ Examples
     let chrs: Vec<char> = "3141592653589793238462643383".chars().collect();
     let segs = QrSegment::make_segments(&chrs);
     let qr = QrCode::encode_segments_advanced(
-        &segs, QrCodeEcc::High, 5, 5, Some(2), false).unwrap();
+        &segs, QrCodeEcc::High, 5, 5, Some(Mask::new(2)), false).unwrap();
     for y in 0 .. qr.size() {
         for x in 0 .. qr.size() {
             (... paint qr.get_module(x, y) ...)
diff --git a/rust/src/lib.rs b/rust/src/lib.rs
index ffaaeff..b2753a3 100644
--- a/rust/src/lib.rs
+++ b/rust/src/lib.rs
@@ -72,7 +72,7 @@
 //! let chrs: Vec<char> = "3141592653589793238462643383".chars().collect();
 //! let segs = QrSegment::make_segments(&chrs);
 //! let qr = QrCode::encode_segments_advanced(
-//!     &segs, QrCodeEcc::High, 5, 5, Some(2), false).unwrap();
+//!     &segs, QrCodeEcc::High, 5, 5, Some(Mask::new(2)), false).unwrap();
 //! for y in 0 .. qr.size() {
 //!     for x in 0 .. qr.size() {
 //!         (... paint qr.get_module(x, y) ...)