diff --git a/Cargo.toml b/Cargo.toml
index 356f6822fa1..540eeabebb7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["Miri Team"]
 description = "An experimental interpreter for Rust MIR (core driver)."
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 name = "miri"
 repository = "https://github.com/rust-lang/miri"
 version = "0.1.0"
diff --git a/cargo-miri/Cargo.toml b/cargo-miri/Cargo.toml
index 15c46569232..7789a8a8959 100644
--- a/cargo-miri/Cargo.toml
+++ b/cargo-miri/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["Miri Team"]
 description = "An experimental interpreter for Rust MIR (cargo wrapper)."
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 name = "cargo-miri"
 repository = "https://github.com/rust-lang/miri"
 version = "0.1.0"