diff --git a/README.md b/README.md
index 880fa2e..030f2b2 100644
--- a/README.md
+++ b/README.md
@@ -50,11 +50,11 @@ MagickWand has some global state that needs to be initialized prior to using the
 
 ```rust
 use magick_rust::{MagickWand, magick_wand_genesis};
-use std::sync::{Once, ONCE_INIT};
+use std::sync::Once;
 
 // Used to make sure MagickWand is initialized exactly once. Note that we
 // do not bother shutting down, we simply exit when we're done.
-static START: Once = ONCE_INIT;
+static START: Once = Once::new();
 
 fn resize() -> Result<Vec<u8>, &'static str> {
     START.call_once(|| {
diff --git a/tests/lib.rs b/tests/lib.rs
index 6541daf..7e459c6 100644
--- a/tests/lib.rs
+++ b/tests/lib.rs
@@ -23,11 +23,11 @@ use std::error::Error;
 use std::fs::File;
 use std::io::Read;
 use std::path::Path;
-use std::sync::{Once, ONCE_INIT};
+use std::sync::Once;
 
 // Used to make sure MagickWand is initialized exactly once. Note that we
 // do not bother shutting down, we simply exit when the tests are done.
-static START: Once = ONCE_INIT;
+static START: Once = Once::new();
 
 #[test]
 fn test_new_drop() {