diff --git a/crates/ruma-client-api/src/profile/delete_profile_key.rs b/crates/ruma-client-api/src/profile/delete_profile_key.rs
index d6bc4dc8..06733ae2 100644
--- a/crates/ruma-client-api/src/profile/delete_profile_key.rs
+++ b/crates/ruma-client-api/src/profile/delete_profile_key.rs
@@ -33,7 +33,7 @@ pub mod unstable {
         #[ruma_api(path)]
         pub key: String,
 
-        #[serde(flatten)]
+        #[ruma_api(body)]
         pub kv_pair: BTreeMap<String, JsonValue>,
     }
 
diff --git a/crates/ruma-client-api/src/profile/get_profile_key.rs b/crates/ruma-client-api/src/profile/get_profile_key.rs
index 24cf921e..49dfc948 100644
--- a/crates/ruma-client-api/src/profile/get_profile_key.rs
+++ b/crates/ruma-client-api/src/profile/get_profile_key.rs
@@ -37,7 +37,7 @@ pub mod unstable {
     #[response(error = crate::Error)]
     #[derive(Default)]
     pub struct Response {
-        #[serde(flatten)]
+        #[ruma_api(body)]
         pub value: BTreeMap<String, JsonValue>,
     }
 
diff --git a/crates/ruma-client-api/src/profile/set_profile_key.rs b/crates/ruma-client-api/src/profile/set_profile_key.rs
index f0bf07d9..a5cad63e 100644
--- a/crates/ruma-client-api/src/profile/set_profile_key.rs
+++ b/crates/ruma-client-api/src/profile/set_profile_key.rs
@@ -33,7 +33,7 @@ pub mod unstable {
         #[ruma_api(path)]
         pub key: String,
 
-        #[serde(flatten)]
+        #[ruma_api(body)]
         pub kv_pair: BTreeMap<String, JsonValue>,
     }