diff --git a/src/window.rs b/src/window.rs
index 0039241..183b6be 100644
--- a/src/window.rs
+++ b/src/window.rs
@@ -52,12 +52,21 @@ pub enum EventLoopSendError
 }
 
 /// Allows user events to be sent to the event loop from other threads.
-#[derive(Clone)]
 pub struct UserEventSender<UserEventType: 'static>
 {
     inner: UserEventSenderInnerType<UserEventType>
 }
 
+impl<UserEventType> Clone for UserEventSender<UserEventType>
+{
+    fn clone(&self) -> Self
+    {
+        UserEventSender {
+            inner: self.inner.clone()
+        }
+    }
+}
+
 impl<UserEventType> UserEventSender<UserEventType>
 {
     pub(crate) fn new(inner: UserEventSenderInnerType<UserEventType>) -> Self
diff --git a/src/window_internal_glutin.rs b/src/window_internal_glutin.rs
index a3fe434..4531dd8 100644
--- a/src/window_internal_glutin.rs
+++ b/src/window_internal_glutin.rs
@@ -950,12 +950,21 @@ pub(crate) enum UserEventGlutin<UserEventType: 'static>
     UserEvent(UserEventType)
 }
 
-#[derive(Clone)]
 pub struct UserEventSenderGlutin<UserEventType: 'static>
 {
     event_proxy: EventLoopProxy<UserEventGlutin<UserEventType>>
 }
 
+impl<UserEventType> Clone for UserEventSenderGlutin<UserEventType>
+{
+    fn clone(&self) -> Self
+    {
+        UserEventSenderGlutin {
+            event_proxy: self.event_proxy.clone()
+        }
+    }
+}
+
 impl<UserEventType> UserEventSenderGlutin<UserEventType>
 {
     fn new(event_proxy: EventLoopProxy<UserEventGlutin<UserEventType>>) -> Self
diff --git a/src/window_internal_web.rs b/src/window_internal_web.rs
index 371f308..9249851 100644
--- a/src/window_internal_web.rs
+++ b/src/window_internal_web.rs
@@ -560,7 +560,6 @@ impl<UserEventType: 'static> WindowHelperWeb<UserEventType>
 type UserEventSenderActionType<UserEventType> =
     dyn FnMut(UserEventType) -> Result<(), BacktraceError<ErrorMessage>>;
 
-#[derive(Clone)]
 pub struct UserEventSenderWeb<UserEventType>
 where
     UserEventType: 'static
@@ -568,6 +567,16 @@ where
     action: Rc<RefCell<UserEventSenderActionType<UserEventType>>>
 }
 
+impl<UserEventType: 'static> Clone for UserEventSenderWeb<UserEventType>
+{
+    fn clone(&self) -> Self
+    {
+        UserEventSenderWeb {
+            action: self.action.clone()
+        }
+    }
+}
+
 impl<UserEventType: 'static> UserEventSenderWeb<UserEventType>
 {
     fn new(action: Rc<RefCell<UserEventSenderActionType<UserEventType>>>) -> Self