diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 681b1c288..e2e377b29 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -201,7 +201,7 @@ run loom tests that test unstable features.
 You can run miri tests with
 ```
 MIRIFLAGS="-Zmiri-disable-isolation -Zmiri-strict-provenance -Zmiri-retag-fields" \
-    cargo +nightly miri test --features full --lib
+    cargo +nightly miri test --features full --lib --tests
 ```
 
 ### Performing spellcheck on tokio codebase