diff --git a/examples/custom_class.rs b/examples/custom_class.rs
index 793e0bf..e4524ed 100644
--- a/examples/custom_class.rs
+++ b/examples/custom_class.rs
@@ -66,12 +66,12 @@ fn main() {
 
     obj.set_number(7);
     println!("Number: {}", unsafe {
-        let number: u32 = msg_send![obj, number];
+        let number: u32 = msg_send![&*obj, number];
         number
     });
 
     unsafe {
-        let _: () = msg_send![obj, setNumber:12u32];
+        let _: () = msg_send![&*obj, setNumber:12u32];
     }
     println!("Number: {}", obj.number());
 }
diff --git a/src/dictionary.rs b/src/dictionary.rs
index 44b96ef..9c0d1f0 100644
--- a/src/dictionary.rs
+++ b/src/dictionary.rs
@@ -107,7 +107,7 @@ pub trait INSDictionary : INSObject {
 
     fn into_values_array(dict: Id<Self>) -> Id<NSArray<Self::Value, Self::Own>> {
         unsafe {
-            let vals = msg_send![dict, allValues];
+            let vals = msg_send![&*dict, allValues];
             Id::from_ptr(vals)
         }
     }
diff --git a/src/enumerator.rs b/src/enumerator.rs
index 9f2c081..a5accdb 100644
--- a/src/enumerator.rs
+++ b/src/enumerator.rs
@@ -25,7 +25,7 @@ impl<'a, T> Iterator for NSEnumerator<'a, T> where T: INSObject {
 
     fn next(&mut self) -> Option<&'a T> {
         unsafe {
-            let obj: *mut T = msg_send![self.id, nextObject];
+            let obj: *mut T = msg_send![&*self.id, nextObject];
             if obj.is_null() { None } else { Some(&*obj) }
         }
     }