diff --git a/src/c-wrapper/internal/c-tools.h b/src/c-wrapper/internal/c-tools.h
index 7692cfbea..5e371372d 100644
--- a/src/c-wrapper/internal/c-tools.h
+++ b/src/c-wrapper/internal/c-tools.h
@@ -536,7 +536,7 @@ LINPHONE_END_NAMESPACE
 	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__)
+	L_EXPAND(L_GET_CPP_PTR_FROM_C_OBJECT_MACRO_CHOOSER(__VA_ARGS__)(__VA_ARGS__))
 
 // Set the cpp-ptr of a wrapped C object.
 #define L_SET_CPP_PTR_FROM_C_OBJECT(C_OBJECT, CPP_OBJECT) \
@@ -556,7 +556,7 @@ LINPHONE_END_NAMESPACE
 	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__)
+	L_EXPAND(L_GET_PRIVATE_FROM_C_OBJECT_MACRO_CHOOSER(__VA_ARGS__)(__VA_ARGS__))
 
 // Get the wrapped C object of a C++ object.
 #define L_GET_C_BACK_PTR(CPP_OBJECT) \