diff --git a/examples/multiwindow.rs b/examples/multiwindow.rs
index d3961b3e..62af7d5f 100644
--- a/examples/multiwindow.rs
+++ b/examples/multiwindow.rs
@@ -20,15 +20,15 @@ fn main() {
     let window2 = glutin::Window::new().unwrap();
     let window3 = glutin::Window::new().unwrap();
 
-    spawn(proc() {
+    spawn(move || {
         run(window1, (0.0, 1.0, 0.0, 1.0));
     });
 
-    spawn(proc() {
+    spawn(move || {
         run(window2, (0.0, 0.0, 1.0, 1.0));
     });
 
-    spawn(proc() {
+    spawn(move || {
         run(window3, (1.0, 0.0, 0.0, 1.0));
     });
 }
diff --git a/src/win32/init.rs b/src/win32/init.rs
index f3e669ce..f10eb7cf 100644
--- a/src/win32/init.rs
+++ b/src/win32/init.rs
@@ -37,7 +37,7 @@ pub fn new_window(builder_dimensions: Option<(uint, uint)>, builder_title: Strin
     // GetMessage must be called in the same thread as CreateWindow,
     //  so we create a new thread dedicated to this window.
     // This is the only safe method. Using `nosend` wouldn't work for non-native runtime.
-    spawn(proc() {
+    spawn(move || {
         // registering the window class
         let class_name = {
             let class_name: Vec<u16> = "Window Class".utf16_units().chain(Some(0).into_iter())