diff --git a/src/c-wrapper/internal/c-tools.h b/src/c-wrapper/internal/c-tools.h
index 5a71264ec..7692cfbea 100644
--- a/src/c-wrapper/internal/c-tools.h
+++ b/src/c-wrapper/internal/c-tools.h
@@ -533,7 +533,7 @@ LINPHONE_END_NAMESPACE
 	>(C_OBJECT)
 
 #define L_GET_CPP_PTR_FROM_C_OBJECT_MACRO_CHOOSER(...) \
-	L_GET_ARG_3(__VA_ARGS__, L_GET_CPP_PTR_FROM_C_OBJECT_2_ARGS, L_GET_CPP_PTR_FROM_C_OBJECT_1_ARGS)
+	L_EXPAND(L_GET_ARG_3(__VA_ARGS__, L_GET_CPP_PTR_FROM_C_OBJECT_2_ARGS, L_GET_CPP_PTR_FROM_C_OBJECT_1_ARGS))
 
 #define L_GET_CPP_PTR_FROM_C_OBJECT(...) \
 	L_GET_CPP_PTR_FROM_C_OBJECT_MACRO_CHOOSER(__VA_ARGS__)(__VA_ARGS__)
@@ -548,12 +548,12 @@ LINPHONE_END_NAMESPACE
 
 // Get the private data of a shared or simple cpp-ptr of a wrapped C object.
 #define L_GET_PRIVATE_FROM_C_OBJECT_1_ARGS(C_OBJECT) \
-	L_GET_PRIVATE(LINPHONE_NAMESPACE::Utils::getPtr(L_GET_CPP_PTR_FROM_C_OBJECT(C_OBJECT)))
+	L_GET_PRIVATE(LINPHONE_NAMESPACE::Utils::getPtr(L_GET_CPP_PTR_FROM_C_OBJECT_1_ARGS(C_OBJECT)))
 #define L_GET_PRIVATE_FROM_C_OBJECT_2_ARGS(C_OBJECT, CPP_TYPE) \
-	L_GET_PRIVATE(LINPHONE_NAMESPACE::Utils::getPtr(L_GET_CPP_PTR_FROM_C_OBJECT(C_OBJECT, CPP_TYPE)))
+	L_GET_PRIVATE(LINPHONE_NAMESPACE::Utils::getPtr(L_GET_CPP_PTR_FROM_C_OBJECT_2_ARGS(C_OBJECT, CPP_TYPE)))
 
 #define L_GET_PRIVATE_FROM_C_OBJECT_MACRO_CHOOSER(...) \
-	L_GET_ARG_3(__VA_ARGS__, L_GET_PRIVATE_FROM_C_OBJECT_2_ARGS, L_GET_PRIVATE_FROM_C_OBJECT_1_ARGS)
+	L_EXPAND(L_GET_ARG_3(__VA_ARGS__, L_GET_PRIVATE_FROM_C_OBJECT_2_ARGS, L_GET_PRIVATE_FROM_C_OBJECT_1_ARGS))
 
 #define L_GET_PRIVATE_FROM_C_OBJECT(...) \
 	L_GET_PRIVATE_FROM_C_OBJECT_MACRO_CHOOSER(__VA_ARGS__)(__VA_ARGS__)