diff --git a/main/include/eudaq/MachineState.hh b/main/include/eudaq/MachineState.hh
index 91a4129ead..544ef41676 100644
--- a/main/include/eudaq/MachineState.hh
+++ b/main/include/eudaq/MachineState.hh
@@ -6,11 +6,12 @@
 #include <map>
 #include "eudaq/Status.hh"
 #include "eudaq/TransportBase.hh"
+#include "eudaq/Platform.hh"
 
 
 namespace eudaq
 {
-	class MachineState
+	class DLLEXPORT MachineState
 
 	{
 	public:
diff --git a/main/include/eudaq/TransportBase.hh b/main/include/eudaq/TransportBase.hh
index 9c4962c4bf..cb4daff498 100644
--- a/main/include/eudaq/TransportBase.hh
+++ b/main/include/eudaq/TransportBase.hh
@@ -13,13 +13,14 @@
 #include <iosfwd>
 #include <cstring>
 #include <iostream>
+#include "eudaq/Platform.hh"
 
 namespace eudaq {
 
   /** Represents an individual connection on a Transport.
    *
    */
-  class ConnectionInfo {
+  class DLLEXPORT ConnectionInfo {
   public:
     explicit ConnectionInfo(const std::string &name = "")
         : m_state(0), m_name(name) {}
diff --git a/producers/root/src/ROOTProducer.cpp b/producers/root/src/ROOTProducer.cpp
index aed9696dce..ff294a5820 100644
--- a/producers/root/src/ROOTProducer.cpp
+++ b/producers/root/src/ROOTProducer.cpp
@@ -210,7 +210,7 @@ void ROOTProducer::Producer_PImpl::OnConfigure(const eudaq::Configuration & conf
 
 
   // At the end, set the status that will be displayed in the Run Control.
-  SetStatus(eudaq::Status::LVL_OK, "Configured (" + config.Name() + ")");
+  SetStatus(eudaq::Status::STATE_CONF, "Configured (" + config.Name() + ")");
 }
 
 eudaq::Configuration& ROOTProducer::Producer_PImpl::getConfiguration()
@@ -258,7 +258,7 @@ void ROOTProducer::Producer_PImpl::OnStartRun(unsigned param)
  
   // At the end, set the status that will be displayed in the Run Control.
   
-  SetStatus(eudaq::Status::LVL_OK, "Running");
+  SetStatus(eudaq::Status::STATE_RUNNING, "Running");
 }
 
 bool ROOTProducer::Producer_PImpl::timeout(int tries)