diff --git a/fairmq/FairMQMessageNN.cxx b/fairmq/FairMQMessageNN.cxx
new file mode 100644
index 00000000..e69de29b
diff --git a/fairmq/FairMQMessageNN.h b/fairmq/FairMQMessageNN.h
new file mode 100644
index 00000000..e69de29b
diff --git a/fairmq/FairMQMessageZMQ.cxx b/fairmq/FairMQMessageZMQ.cxx
new file mode 100644
index 00000000..e69de29b
diff --git a/fairmq/FairMQMessageZMQ.h b/fairmq/FairMQMessageZMQ.h
new file mode 100644
index 00000000..e69de29b
diff --git a/fairmq/FairMQSampler.cxx b/fairmq/FairMQSampler.cxx
index 9b1fd1ee..b78342c5 100644
--- a/fairmq/FairMQSampler.cxx
+++ b/fairmq/FairMQSampler.cxx
@@ -47,7 +47,7 @@ void FairMQSampler::Init()
   fSamplerTask->SetBranch(fBranch);
 
   fFairRunAna->SetInputFile(TString(fInputFile));
-  TString output=fInputFile;
+  TString output = fInputFile;
   output.Append(".out.root");
   fFairRunAna->SetOutputFile(output.Data());
 
diff --git a/fairmq/FairMQSocketNN.cxx b/fairmq/FairMQSocketNN.cxx
new file mode 100644
index 00000000..e69de29b
diff --git a/fairmq/FairMQSocketNN.h b/fairmq/FairMQSocketNN.h
new file mode 100644
index 00000000..e69de29b
diff --git a/fairmq/FairMQSocketZMQ.cxx b/fairmq/FairMQSocketZMQ.cxx
new file mode 100644
index 00000000..e69de29b
diff --git a/fairmq/FairMQSocketZMQ.h b/fairmq/FairMQSocketZMQ.h
new file mode 100644
index 00000000..e69de29b