diff --git a/examples/fullscreen.rs b/examples/fullscreen.rs
index f05bf9dd..5cb71f74 100644
--- a/examples/fullscreen.rs
+++ b/examples/fullscreen.rs
@@ -37,13 +37,18 @@ fn main() {
     };
 
     println!("OpenGL version {}", version.as_str().unwrap());
+    
+    {
+        let win_size = window.get_inner_size().unwrap();
+        gl::Viewport(0, 0, win_size.val0() as libc::c_int, win_size.val1() as libc::c_int);
+    }
 
     gl::ClearColor(0.0, 1.0, 0.0, 1.0);
 
     while !window.is_closed() {
         gl::Clear(gl::COLOR_BUFFER_BIT);
         window.swap_buffers();
-        
+
         println!("{}", window.wait_events().collect::<Vec<init::Event>>());
     }
 }
diff --git a/examples/multiwindow.rs b/examples/multiwindow.rs
index 2ae9c318..5bc1b075 100644
--- a/examples/multiwindow.rs
+++ b/examples/multiwindow.rs
@@ -19,13 +19,18 @@ fn run(window: init::Window, color: (f32, f32, f32, f32)) {
     unsafe { window.make_current() };
 
     gl::load_with(|symbol| window.get_proc_address(symbol) as *const libc::c_void);
+    
+    {
+        let win_size = window.get_inner_size().unwrap();
+        gl::Viewport(0, 0, win_size.val0() as libc::c_int, win_size.val1() as libc::c_int);
+    }
 
     gl::ClearColor(color.val0(), color.val1(), color.val2(), color.val3());
 
     while !window.is_closed() {
         gl::Clear(gl::COLOR_BUFFER_BIT);
         window.swap_buffers();
-        
+
         window.wait_events().collect::<Vec<init::Event>>();
     }
 }
diff --git a/examples/window.rs b/examples/window.rs
index 07f5a84a..db80e393 100644
--- a/examples/window.rs
+++ b/examples/window.rs
@@ -16,6 +16,11 @@ fn main() {
 
     println!("OpenGL version {}", version.as_str().unwrap());
 
+    {
+        let win_size = window.get_inner_size().unwrap();
+        gl::Viewport(0, 0, win_size.val0() as libc::c_int, win_size.val1() as libc::c_int);
+    }
+
     gl::ClearColor(0.0, 1.0, 0.0, 1.0);
 
     while !window.is_closed() {