diff --git a/hurricane/src/hurricane/DbU.cpp b/hurricane/src/hurricane/DbU.cpp
index 62eb0c02..f0c42c49 100644
--- a/hurricane/src/hurricane/DbU.cpp
+++ b/hurricane/src/hurricane/DbU.cpp
@@ -25,6 +25,7 @@
 
 
 # include  <climits>
+# include  <cstring>
 
 # include  "hurricane/DbU.h"
 # include  "hurricane/Error.h"
diff --git a/hurricane/src/hurricane/hurricane/IntrusiveMap.h b/hurricane/src/hurricane/hurricane/IntrusiveMap.h
index fa9e8bcc..492070cb 100644
--- a/hurricane/src/hurricane/hurricane/IntrusiveMap.h
+++ b/hurricane/src/hurricane/hurricane/IntrusiveMap.h
@@ -7,6 +7,7 @@
 #ifndef HURRICANE_INTRUSIVE_MAP
 #define HURRICANE_INTRUSIVE_MAP
 
+#include <cstring>
 #include <algorithm>
 
 #include "hurricane/Collection.h"
diff --git a/hurricane/src/hurricane/hurricane/IntrusiveSet.h b/hurricane/src/hurricane/hurricane/IntrusiveSet.h
index 747f0437..92379274 100644
--- a/hurricane/src/hurricane/hurricane/IntrusiveSet.h
+++ b/hurricane/src/hurricane/hurricane/IntrusiveSet.h
@@ -7,6 +7,7 @@
 #ifndef HURRICANE_INTRUSIVE_SET
 #define HURRICANE_INTRUSIVE_SET
 
+#include <cstring>
 #include <algorithm>
 
 #include "hurricane/Collection.h"