diff --git a/hurricane/src/hurricane/BasicLayer.cpp b/hurricane/src/hurricane/BasicLayer.cpp
index daed51a3..204de0a1 100644
--- a/hurricane/src/hurricane/BasicLayer.cpp
+++ b/hurricane/src/hurricane/BasicLayer.cpp
@@ -182,9 +182,11 @@ namespace Hurricane {
                                   ,name
                                   ,minimalSize
                                   ,minimalSpacing)
-                           ,_material(material)
-                           ,_extractNumber(extractNumber)
-                           ,_realName("<not associated>")
+                           ,_material      (material)
+                           ,_extractNumber (extractNumber)
+                           ,_connectorLayer(NULL)
+                           ,_blockageLayer (NULL)
+                           ,_realName      ("<not associated>")
   { }
 
 
diff --git a/hurricane/src/hurricane/hurricane/DbU.h b/hurricane/src/hurricane/hurricane/DbU.h
index 812b03f3..9b0f2adb 100644
--- a/hurricane/src/hurricane/hurricane/DbU.h
+++ b/hurricane/src/hurricane/hurricane/DbU.h
@@ -38,13 +38,12 @@
 // x-----------------------------------------------------------------x
 
 
-# ifndef  __HURRICANE_DBU__
-# define  __HURRICANE_DBU__
+#ifndef  __HURRICANE_DBU__
+#define  __HURRICANE_DBU__
 
 
-# include  <cmath>
-
-# include  "hurricane/Commons.h"
+#include  <cmath>
+#include  "hurricane/Commons.h"
 
 
 namespace Hurricane {
@@ -151,4 +150,4 @@ namespace Hurricane {
 } // End of Hurricane namespace.
 
 
-# endif  // __HURRICANE_DBU__
+#endif  // __HURRICANE_DBU__
diff --git a/hurricane/src/hurricane/hurricane/Mask.h b/hurricane/src/hurricane/hurricane/Mask.h
index 4e86b94d..1ed2fbf1 100644
--- a/hurricane/src/hurricane/hurricane/Mask.h
+++ b/hurricane/src/hurricane/hurricane/Mask.h
@@ -162,7 +162,7 @@ namespace Hurricane {
 
   template<typename IntType>
   inline bool  Mask<IntType>::operator != ( const Mask<IntType> mask ) const
-  { return _mask == mask._mask; } 
+  { return _mask != mask._mask; } 
 
   template<typename IntType>
   inline bool  Mask<IntType>::operator < ( const Mask<IntType> mask ) const