diff --git a/miniz-sys/Cargo.toml b/miniz-sys/Cargo.toml
index 0b21ee728..39fa50557 100644
--- a/miniz-sys/Cargo.toml
+++ b/miniz-sys/Cargo.toml
@@ -5,7 +5,7 @@ version = "0.1.7"
 authors = ["Alex Crichton <alex@alexcrichton.com>"]
 links = "miniz"
 build = "build.rs"
-license = "MIT/Apache-2.0"
+license = "(MIT OR Apache-2.0) AND Unlicense"
 repository = "/~https://github.com/alexcrichton/flate2-rs"
 description = """
 Bindings to the miniz.c library.