diff --git a/gl2.rs b/gl2.rs
index 5f77af2..ae57305 100644
--- a/gl2.rs
+++ b/gl2.rs
@@ -888,8 +888,8 @@ pub fn scissor(x: GLint, y: GLint, width: GLsizei, height: GLsizei) {
 }
 
 pub fn shader_source(shader: GLuint, strings: &[&[u8]]) {
-    let pointers = strings.map(|string| (*string).as_ptr());
-    let lengths = strings.map(|string| string.len() as GLint);
+    let pointers: ~[*u8] = strings.iter().map(|string| (*string).as_ptr()).collect();
+    let lengths: ~[GLint] = strings.iter().map(|string| string.len() as GLint).collect();
     unsafe {
         glShaderSource(shader, pointers.len() as GLsizei,
                        pointers.as_ptr() as **GLchar, lengths.as_ptr());
diff --git a/glx.rs b/glx.rs
index 7e4bfd2..e6d257e 100644
--- a/glx.rs
+++ b/glx.rs
@@ -14,13 +14,13 @@ use std::libc::{c_char, c_int, c_ulong};
 // Types
 
 pub struct Display {
-    priv opaque: (),
+    opaque: (),
 }
 
 pub type GLXDrawable = c_ulong;
 
 pub struct __GLXFBConfig {
-    priv opaque: (),
+    opaque: (),
 }
 
 pub type GLXFBConfig = *__GLXFBConfig;
@@ -30,7 +30,7 @@ pub type GLXPixmap = c_ulong;
 pub type Pixmap = c_ulong;
 
 pub struct __XVisualInfo {
-    priv opaque: (),
+    opaque: (),
 }
 
 pub type XVisualInfo = *__XVisualInfo;