diff --git a/solutions/20_threads/threads3.rs b/solutions/20_threads/threads3.rs
index 7ceefea0..a345b44c 100644
--- a/solutions/20_threads/threads3.rs
+++ b/solutions/20_threads/threads3.rs
@@ -17,8 +17,14 @@ impl Queue {
 fn send_tx(q: Queue, tx: mpsc::Sender<u32>) {
     // Clone the sender `tx` first.
     let tx_clone = tx.clone();
+
+    // Defining the data in new variables.
+    // `q` cannot be moved simultaneously into multiple places.
+    let first_half = q.first_half;
+    let second_half = q.second_half;
+
     thread::spawn(move || {
-        for val in q.first_half {
+        for val in first_half {
             println!("Sending {val:?}");
             // Then use the clone in the first thread. This means that
             // `tx_clone` is moved to the first thread and `tx` to the second.
@@ -28,7 +34,7 @@ fn send_tx(q: Queue, tx: mpsc::Sender<u32>) {
     });
 
     thread::spawn(move || {
-        for val in q.second_half {
+        for val in second_half {
             println!("Sending {val:?}");
             tx.send(val).unwrap();
             thread::sleep(Duration::from_millis(250));