diff --git a/boolean.rs b/boolean.rs
index 1febd7c..1497ed1 100644
--- a/boolean.rs
+++ b/boolean.rs
@@ -9,7 +9,7 @@ struct CFBoolean {
 
     drop {
         unsafe {
-            CFRelease(reinterpret_cast(self.obj));
+            CFRelease(reinterpret_cast(&self.obj));
         }
     }
 }
@@ -22,7 +22,7 @@ mod CFBoolean {
     fn true_value() -> CFBoolean {
         unsafe {
             let obj = kCFBooleanTrue;
-            CFRetain(reinterpret_cast(obj));
+            CFRetain(reinterpret_cast(&obj));
             return wrap(obj);
         }
     }
@@ -30,7 +30,7 @@ mod CFBoolean {
     fn false_value() -> CFBoolean {
         unsafe {
             let obj = kCFBooleanFalse;
-            CFRetain(reinterpret_cast(obj));
+            CFRetain(reinterpret_cast(&obj));
             return wrap(obj);
         }
     }
@@ -39,7 +39,7 @@ mod CFBoolean {
 impl CFBoolean : AbstractCFType {
     pure fn as_type_ref(&self) -> CFTypeRef {
         unsafe {
-            reinterpret_cast(self.obj)
+            reinterpret_cast(&self.obj)
         }
     }
 }
diff --git a/dictionary.rs b/dictionary.rs
index b5235be..5d62d7e 100644
--- a/dictionary.rs
+++ b/dictionary.rs
@@ -3,7 +3,7 @@ use dvec::DVec;
 use libc::c_void;
 use ptr::to_unsafe_ptr;
 use unsafe::reinterpret_cast;
-use vec::unsafe::to_ptr_slice;
+use vec::unsafe::to_ptr;
 
 pub type CFDictionaryRetainCallBack = *u8;
 pub type CFDictionaryReleaseCallBack = *u8;
@@ -36,7 +36,7 @@ struct CFDictionary<K:AbstractCFType,V:AbstractCFType> {
 
     drop {
         unsafe {
-            CFRelease(reinterpret_cast(self.obj));
+            CFRelease(reinterpret_cast(&self.obj));
         }
     }
 }
@@ -65,8 +65,8 @@ mod CFDictionary {
         let dictionary_ref;
         unsafe {
             dictionary_ref = CFDictionaryCreate(kCFAllocatorDefault,
-                                                reinterpret_cast(to_ptr_slice(keys)),
-                                                reinterpret_cast(to_ptr_slice(values)),
+                                                reinterpret_cast(&to_ptr(keys)),
+                                                reinterpret_cast(&to_ptr(values)),
                                                 keys.len() as CFIndex,
                                                 to_unsafe_ptr(&kCFTypeDictionaryKeyCallBacks),
                                                 to_unsafe_ptr(&kCFTypeDictionaryValueCallBacks));
@@ -79,7 +79,7 @@ mod CFDictionary {
 impl<K:AbstractCFType,V:AbstractCFType> CFDictionary<K,V> : AbstractCFType {
     pure fn as_type_ref(&self) -> CFTypeRef {
         unsafe {
-            reinterpret_cast(self.obj)
+            reinterpret_cast(&self.obj)
         }
     }
 }
diff --git a/number.rs b/number.rs
index d8ed31f..a2bb800 100644
--- a/number.rs
+++ b/number.rs
@@ -12,7 +12,7 @@ struct CFNumber {
 
     drop {
         unsafe {
-            CFRelease(reinterpret_cast(self.obj));
+            CFRelease(reinterpret_cast(&self.obj));
         }
     }
 }
@@ -25,7 +25,7 @@ mod CFNumber {
     fn new_number<T:copy ConvertibleToCFNumber>(n: T) -> CFNumber {
         unsafe {
             CFNumber {
-                obj: CFNumberCreate(kCFAllocatorDefault, n.cf_number_type(), reinterpret_cast(&n))
+                obj: CFNumberCreate(kCFAllocatorDefault, n.cf_number_type(), reinterpret_cast(&&n))
             }
         }
     }
@@ -34,7 +34,7 @@ mod CFNumber {
 impl CFNumber : AbstractCFType {
     pure fn as_type_ref(&self) -> CFTypeRef {
         unsafe {
-            reinterpret_cast(self.obj)
+            reinterpret_cast(&self.obj)
         }
     }
 }
diff --git a/string.rs b/string.rs
index ad34e2b..f42ac76 100644
--- a/string.rs
+++ b/string.rs
@@ -17,7 +17,7 @@ struct CFString {
 
     drop {
         unsafe {
-            CFRelease(reinterpret_cast(self.obj));
+            CFRelease(reinterpret_cast(&self.obj));
         }
     }
 }
@@ -43,7 +43,7 @@ mod CFString {
 impl CFString : AbstractCFType {
     pure fn as_type_ref(&self) -> CFTypeRef {
         unsafe {
-            reinterpret_cast(self.obj)
+            reinterpret_cast(&self.obj)
         }
     }
 }