diff --git a/components/hashglobe/Cargo.toml b/components/hashglobe/Cargo.toml
index 72368b30868..b8571e68c69 100644
--- a/components/hashglobe/Cargo.toml
+++ b/components/hashglobe/Cargo.toml
@@ -2,7 +2,7 @@
 name = "hashglobe"
 version = "0.1.0"
 authors = ["The Rust Project Developers", "Manish Goregaokar <manishsmail@gmail.com>"]
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 description = "Fork of std::HashMap with stable fallible allocation."
 documentation = "https://docs.rs/hashglobe"
 repository = "https://github.com/Manishearth/hashglobe"
diff --git a/components/malloc_size_of/Cargo.toml b/components/malloc_size_of/Cargo.toml
index ea19a6f2cfc..d1968a188b6 100644
--- a/components/malloc_size_of/Cargo.toml
+++ b/components/malloc_size_of/Cargo.toml
@@ -2,7 +2,7 @@
 name = "malloc_size_of"
 version = "0.0.1"
 authors = ["The Servo Project Developers"]
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 publish = false
 
 [lib]
diff --git a/components/servo_arc/Cargo.toml b/components/servo_arc/Cargo.toml
index f72654230f9..a2cb0750f1a 100644
--- a/components/servo_arc/Cargo.toml
+++ b/components/servo_arc/Cargo.toml
@@ -2,7 +2,7 @@
 name = "servo_arc"
 version = "0.1.1"
 authors = ["The Servo Project Developers"]
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 repository = "https://github.com/servo/servo"
 description = "A fork of std::sync::Arc with some extra functionality and without weak references"
 
diff --git a/python/tidy/servo_tidy/licenseck.py b/python/tidy/servo_tidy/licenseck.py
index 8c505366d65..deeaeb55333 100644
--- a/python/tidy/servo_tidy/licenseck.py
+++ b/python/tidy/servo_tidy/licenseck.py
@@ -36,6 +36,7 @@ COPYRIGHT = [
 licenses_toml = [
     'license = "MPL-2.0"',
     'license = "MIT/Apache-2.0"',
+    'license = "MIT OR Apache-2.0"',
 ]
 
 # The valid dependency licenses, in the form we'd expect to see them in a Cargo.toml file.