diff --git a/src/client/io_loop.rs b/src/client/io_loop.rs
index 24cc60eb4..bdfa8f1e2 100644
--- a/src/client/io_loop.rs
+++ b/src/client/io_loop.rs
@@ -122,6 +122,28 @@ impl<T: InvokeUiSession> Remote<T> {
     }
 
     pub async fn io_loop(&mut self, key: &str, token: &str, round: u32) {
+        #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
+        let _file_clip_context_holder = {
+            // `is_port_forward()` will not reach here, but we still check it for clarity.
+            if !self.handler.is_file_transfer() && !self.handler.is_port_forward() {
+                // It is ok to call this function multiple times.
+                ContextSend::enable(true);
+                Some(crate::SimpleCallOnReturn {
+                    b: true,
+                    f: Box::new(|| {
+                        // No need to call `enable(false)` for sciter version, because each client of sciter version is a new process.
+                        // It's better to check if the peers are windows(support file copy&paste), but it's not necessary.
+                        #[cfg(feature = "flutter")]
+                        if !crate::flutter::sessions::has_sessions_running(ConnType::DEFAULT_CONN) {
+                            ContextSend::enable(false);
+                        };
+                    }),
+                })
+            } else {
+                None
+            }
+        };
+
         let mut last_recv_time = Instant::now();
         let mut received = false;
         let conn_type = if self.handler.is_file_transfer() {
@@ -310,12 +332,6 @@ impl<T: InvokeUiSession> Remote<T> {
                 Ok(())
             });
         }
-
-        // It's better to check if the peers are windows, but it's not necessary.
-        #[cfg(feature = "flutter")]
-        if !crate::flutter::sessions::has_sessions_running(ConnType::DEFAULT_CONN) {
-            ContextSend::enable(false);
-        }
     }
 
     #[cfg(any(target_os = "windows", target_os = "linux", target_os = "macos"))]
diff --git a/src/ui_session_interface.rs b/src/ui_session_interface.rs
index 14baa6946..f76bd4e94 100644
--- a/src/ui_session_interface.rs
+++ b/src/ui_session_interface.rs
@@ -1739,18 +1739,6 @@ impl<T: InvokeUiSession> Session<T> {
 
 #[tokio::main(flavor = "current_thread")]
 pub async fn io_loop<T: InvokeUiSession>(handler: Session<T>, round: u32) {
-    // It is ok to call this function multiple times.
-    #[cfg(any(
-        target_os = "windows",
-        all(
-            any(target_os = "linux", target_os = "macos"),
-            feature = "unix-file-copy-paste"
-        )
-    ))]
-    if !handler.is_file_transfer() && !handler.is_port_forward() {
-        clipboard::ContextSend::enable(true);
-    }
-
     #[cfg(any(target_os = "android", target_os = "ios"))]
     let (sender, receiver) = mpsc::unbounded_channel::<Data>();
     #[cfg(not(any(target_os = "android", target_os = "ios")))]