diff --git a/test/gmttest.cpp b/test/gmttest.cpp
index a9a9f78..dcdd18a 100644
--- a/test/gmttest.cpp
+++ b/test/gmttest.cpp
@@ -24,11 +24,13 @@ void* gmtworkthread(void* x)
  struct gmtworkthreadpars* p=reinterpret_cast<struct gmtworkthreadpars*>(x);
  char c='\n';
 
- unshare(CLONE_FILES);
- dup2(p->fd,1);
- write(1,&c,1); // Use this instead of mutex
+ //unshare(CLONE_FILES);
+ //dup2(p->fd,1);
+ //write(p->fd,&c,1);
+ GMT_Append_Option(p->api,GMT_Make_Option(p->api,'>',const_cast<char*>(("/dev/fd/"+std::to_string(p->fd)).c_str())),reinterpret_cast<struct GMT_OPTION*>(p->opts));
+ //write(p->fd,&c,1); // Use this instead of mutex
  p->ret=GMT_Call_Module(p->api,p->module,GMT_MODULE_OPT,p->opts);
- close(1);
+ //close(1);
  close(p->fd);
  return 0;
 }
@@ -63,6 +65,7 @@ int callgmtmodule(void *api, const char *module, void *opts, std::string& res)
  return p.ret;
 }
 
+
 int main()
 {
  char* text="GMT";
@@ -75,8 +78,8 @@ int main()
  std::string out;
 
  gmtapi=GMT_Create_Session(text,2,0,print_func);
- //io=GMT_Register_IO(gmtapi,GMT_IS_TEXTSET,GMT_IS_DUPLICATE,GMT_IS_NONE,GMT_OUT,0,0);
- //GMT_Encode_ID(gmtapi,fname,io);
+ io=GMT_Register_IO(gmtapi,GMT_IS_TEXTSET,GMT_IS_DUPLICATE,GMT_IS_NONE,GMT_OUT,0,0);
+ GMT_Encode_ID(gmtapi,fname,io);
  opts=GMT_Create_Options(gmtapi,0,(void*)args.c_str());
  //ret=GMT_Init_IO(gmtapi,GMT_IS_TEXTSET,GMT_IS_NONE,GMT_OUT,5,0,opts);
  std::cout<<io<<" "<<GMT_NOTSET<<" "<<fname<<" "<<ret<<std::endl;