diff --git a/hurricane/src/hurricane/hurricane/Net.h b/hurricane/src/hurricane/hurricane/Net.h
index 3e42bb12..4721f11d 100644
--- a/hurricane/src/hurricane/hurricane/Net.h
+++ b/hurricane/src/hurricane/hurricane/Net.h
@@ -305,6 +305,14 @@ IOSTREAM_POINTER_SUPPORT(Hurricane::Net::Direction::Code);
 IOSTREAM_VALUE_SUPPORT(Hurricane::Net::Direction::Code);
 
 
+namespace Hurricane {
+
+// Force SlotTemplate<> expansion on Net* type.
+// Because sometimes it didn't happens (?).
+  const SlotTemplate<Net*> dummyNetSlot ( string("dummyNetSlot"), NULL );
+
+}
+
 #endif // HURRICANE_NET
 
 
diff --git a/hurricane/src/hurricane/hurricane/Slot.h b/hurricane/src/hurricane/hurricane/Slot.h
index f0e9bddc..b99e56fc 100644
--- a/hurricane/src/hurricane/hurricane/Slot.h
+++ b/hurricane/src/hurricane/hurricane/Slot.h
@@ -328,7 +328,7 @@ namespace Hurricane {
 template<typename Data>
 inline Hurricane::Slot* getSlot( std::string& name, Data d )
 {
-//std::cerr << "getSlot<string&,Data>( \"" << name << "\" )" << std::endl;
+  std::cerr << "getSlot<string&,Data>( \"" << name << "\" )" << std::endl;
   return new Hurricane::SlotTemplate<Data> ( name, d );
 }
 
@@ -336,7 +336,7 @@ inline Hurricane::Slot* getSlot( std::string& name, Data d )
 template<typename Data>
 inline Hurricane::Slot* getSlot( std::string& name, Data* d )
 {
-//std::cerr << "getSlot<string&,Data*>( \"" << name << "\" )" << std::endl;
+  std::cerr << "getSlot<string&,Data*>( \"" << name << "\" )" << std::endl;
   return new Hurricane::SlotTemplate<Data*> ( name, d );
 }
 
@@ -344,7 +344,7 @@ inline Hurricane::Slot* getSlot( std::string& name, Data* d )
 template<typename Data>
 inline Hurricane::Slot* getSlot( const std::string& name, Data d )
 {
-//std::cerr << "getSlot<const string&,Data>( \"" << name << "\" )" << std::endl;
+  std::cerr << "getSlot<const string&,Data>( \"" << name << "\" )" << std::endl;
   return new Hurricane::SlotTemplate<Data> ( name, d );
 }
 
@@ -352,7 +352,7 @@ inline Hurricane::Slot* getSlot( const std::string& name, Data d )
 template<typename Data>
 inline Hurricane::Slot* getSlot( const std::string& name, Data* d )
 {
-//std::cerr << "getSlot<const string&,Data*>( \"" << name << "\" )" << std::endl;
+  std::cerr << "getSlot<const string&,Data*>( \"" << name << "\" )" << std::endl;
   return new Hurricane::SlotTemplate<Data*> ( name, d );
 }