diff --git a/src/c-wrapper/api/c-call-params.cpp b/src/c-wrapper/api/c-call-params.cpp
index 3845dc66d..9d8fc7974 100644
--- a/src/c-wrapper/api/c-call-params.cpp
+++ b/src/c-wrapper/api/c-call-params.cpp
@@ -485,7 +485,7 @@ void linphone_call_params_set_no_user_consent (LinphoneCallParams *params, bool_
 // =============================================================================
 
 void *linphone_call_params_get_user_data (const LinphoneCallParams *cp) {
-	return L_GET_USER_DATA_FROM_C_OBJECT(cp, MediaSessionParams);
+	return L_GET_USER_DATA_FROM_C_OBJECT(cp);
 }
 
 void linphone_call_params_set_user_data (LinphoneCallParams *cp, void *ud) {
diff --git a/src/c-wrapper/api/c-call.cpp b/src/c-wrapper/api/c-call.cpp
index 8aa57a52a..10e7cc5c0 100644
--- a/src/c-wrapper/api/c-call.cpp
+++ b/src/c-wrapper/api/c-call.cpp
@@ -1174,7 +1174,7 @@ void linphone_call_unref (LinphoneCall *call) {
 }
 
 void *linphone_call_get_user_data (const LinphoneCall *call) {
-	return L_GET_USER_DATA_FROM_C_OBJECT(call, Call);
+	return L_GET_USER_DATA_FROM_C_OBJECT(call);
 }
 
 void linphone_call_set_user_data (LinphoneCall *call, void *ud) {
diff --git a/src/c-wrapper/api/c-chat-message.cpp b/src/c-wrapper/api/c-chat-message.cpp
index c5202a85d..355a86c2b 100644
--- a/src/c-wrapper/api/c-chat-message.cpp
+++ b/src/c-wrapper/api/c-chat-message.cpp
@@ -92,7 +92,7 @@ void linphone_chat_message_unref (LinphoneChatMessage *msg) {
 }
 
 void * linphone_chat_message_get_user_data (const LinphoneChatMessage *msg) {
-	return L_GET_USER_DATA_FROM_C_OBJECT(msg, ChatMessage);
+	return L_GET_USER_DATA_FROM_C_OBJECT(msg);
 }
 
 void linphone_chat_message_set_user_data (LinphoneChatMessage *msg, void *ud) {
diff --git a/src/c-wrapper/api/c-chat-room.cpp b/src/c-wrapper/api/c-chat-room.cpp
index 7bfbdddf9..9ed6d2beb 100644
--- a/src/c-wrapper/api/c-chat-room.cpp
+++ b/src/c-wrapper/api/c-chat-room.cpp
@@ -258,7 +258,7 @@ void linphone_chat_room_unref (LinphoneChatRoom *cr) {
 }
 
 void *linphone_chat_room_get_user_data (const LinphoneChatRoom *cr) {
-	return L_GET_USER_DATA_FROM_C_OBJECT(cr, ChatRoom);
+	return L_GET_USER_DATA_FROM_C_OBJECT(cr);
 }
 
 void linphone_chat_room_set_user_data (LinphoneChatRoom *cr, void *ud) {
diff --git a/src/c-wrapper/api/c-participant.cpp b/src/c-wrapper/api/c-participant.cpp
index 241774097..66d5f39b1 100644
--- a/src/c-wrapper/api/c-participant.cpp
+++ b/src/c-wrapper/api/c-participant.cpp
@@ -39,7 +39,7 @@ void linphone_participant_unref (LinphoneParticipant *participant) {
 }
 
 void *linphone_participant_get_user_data(const LinphoneParticipant *participant) {
-	return L_GET_USER_DATA_FROM_C_OBJECT(participant, Participant);
+	return L_GET_USER_DATA_FROM_C_OBJECT(participant);
 }
 
 void linphone_participant_set_user_data(LinphoneParticipant *participant, void *ud) {
diff --git a/src/c-wrapper/internal/c-tools.h b/src/c-wrapper/internal/c-tools.h
index 053cb81bb..6da6bd2ab 100644
--- a/src/c-wrapper/internal/c-tools.h
+++ b/src/c-wrapper/internal/c-tools.h
@@ -422,7 +422,7 @@ LINPHONE_END_NAMESPACE
 	)
 
 // Get/set user data on a wrapped C object.
-#define L_GET_USER_DATA_FROM_C_OBJECT(OBJECT, CPP_TYPE) \
+#define L_GET_USER_DATA_FROM_C_OBJECT(OBJECT) \
 	LINPHONE_NAMESPACE::Wrapper::getUserData( \
 		L_GET_CPP_PTR_FROM_C_OBJECT(OBJECT) \
 	)