diff -up sblim-wbemcli-1.6.3/main.cpp.orig sblim-wbemcli-1.6.3/main.cpp

--- sblim-wbemcli-1.6.3/main.cpp.orig	2022-05-02 10:36:09.283825148 +0200

+++ sblim-wbemcli-1.6.3/main.cpp	2022-05-02 10:36:33.440858294 +0200

@@ -286,6 +286,7 @@ int main (int argc, char *argv[]) {

            op==GetProperty ||

            op==SetProperty ||

            op==CallMethod ||

+           op==CallMethodX ||

            op==ModifyInstance) && !xtraStr)

          throw CmdException("Invalid command invocation 2");