2 files changed, 2 insertions, 2 deletions
diff --git a/src/api/cocoa/headless.rs b/src/api/cocoa/headless.rs
index ac6c4e0..8d89e40 100644
--- a/src/api/cocoa/headless.rs
+++ b/src/api/cocoa/headless.rs
@@ -13,7 +13,7 @@ use cocoa::appkit::*;
 use PixelFormat;
 use api::cocoa::helpers;
 
-#[derive(Default)]
+#[derive(Clone, Default)]
 pub struct PlatformSpecificHeadlessBuilderAttributes;
 
 pub struct HeadlessContext {
diff --git a/src/api/cocoa/mod.rs b/src/api/cocoa/mod.rs
index 3c4d802..79f2b71 100644
--- a/src/api/cocoa/mod.rs
+++ b/src/api/cocoa/mod.rs
@@ -181,7 +181,7 @@ impl Drop for WindowDelegate {
     }
 }
 
-#[derive(Default)]
+#[derive(Clone, Default)]
 pub struct PlatformSpecificWindowBuilderAttributes {
     pub activation_policy: ActivationPolicy,
 }