diff --git a/aptos-move/framework/aptos-framework/doc/object.md b/aptos-move/framework/aptos-framework/doc/object.md
index 98c90699158be..bee5801941f75 100644
--- a/aptos-move/framework/aptos-framework/doc/object.md
+++ b/aptos-move/framework/aptos-framework/doc/object.md
@@ -579,7 +579,7 @@ Derives an object address from source material: sha3_256([creator address | seed
 Returns the address of within an ObjectId.
 
 
-<pre><code><b>public</b> <b>fun</b> <a href="object.md#0x1_object_object_address">object_address</a>&lt;T&gt;(<a href="object.md#0x1_object">object</a>: &<a href="object.md#0x1_object_Object">object::Object</a>&lt;T&gt;): <b>address</b>
+<pre><code><b>public</b> <b>fun</b> <a href="object.md#0x1_object_object_address">object_address</a>&lt;T: key&gt;(<a href="object.md#0x1_object">object</a>: &<a href="object.md#0x1_object_Object">object::Object</a>&lt;T&gt;): <b>address</b>
 </code></pre>
 
 
@@ -588,7 +588,7 @@ Returns the address of within an ObjectId.
 <summary>Implementation</summary>
 
 
-<pre><code><b>public</b> <b>fun</b> <a href="object.md#0x1_object_object_address">object_address</a>&lt;T&gt;(<a href="object.md#0x1_object">object</a>: &<a href="object.md#0x1_object_Object">Object</a>&lt;T&gt;): <b>address</b> {
+<pre><code><b>public</b> <b>fun</b> <a href="object.md#0x1_object_object_address">object_address</a>&lt;T: key&gt;(<a href="object.md#0x1_object">object</a>: &<a href="object.md#0x1_object_Object">Object</a>&lt;T&gt;): <b>address</b> {
     <a href="object.md#0x1_object">object</a>.inner
 }
 </code></pre>
diff --git a/aptos-move/framework/aptos-framework/sources/object.move b/aptos-move/framework/aptos-framework/sources/object.move
index 95d3ab777d027..0681d13faa30e 100644
--- a/aptos-move/framework/aptos-framework/sources/object.move
+++ b/aptos-move/framework/aptos-framework/sources/object.move
@@ -145,7 +145,7 @@ module aptos_framework::object {
     native fun exists_at<T: key>(object: address): bool;
 
     /// Returns the address of within an ObjectId.
-    public fun object_address<T>(object: &Object<T>): address {
+    public fun object_address<T: key>(object: &Object<T>): address {
         object.inner
     }