diff --git a/zmq-sys/build/main.rs b/zmq-sys/build/main.rs
index d6c229bc..12fd9819 100644
--- a/zmq-sys/build/main.rs
+++ b/zmq-sys/build/main.rs
@@ -6,6 +6,11 @@ pub fn configure() {
     // relying on `tweetnacl`. However since this `tweetnacl` [has never been
     // audited nor is ready for production](https://github.com/zeromq/libzmq/issues/3006),
     // we link against `libsodium` to enable `ZMQ_CURVE`.
+
+    // get sodium lib and include paths from environment
+    let sodium_paths = env::var("SODIUM_LIB")
+        .and_then(|lib| env::var("SODIUM_INCLUDE").map(|inc| LibLocation::new(lib, inc)))
+        .ok();
     zeromq_src::Build::new()
         .with_libsodium(None)
         .build();