diff --git a/code/nel/include/nel/misc/contiguous_block_allocator.h b/code/nel/include/nel/misc/contiguous_block_allocator.h
index 2cdeeade9..7a15d296d 100644
--- a/code/nel/include/nel/misc/contiguous_block_allocator.h
+++ b/code/nel/include/nel/misc/contiguous_block_allocator.h
@@ -17,6 +17,7 @@
 #ifndef NL_CONTIGUOUS_BLOCK_ALLOCATOR_H
 #define NL_CONTIGUOUS_BLOCK_ALLOCATOR_H
 
+#include "types_nl.h"
 
 namespace NLMISC
 {
diff --git a/code/nel/include/nel/misc/file.h b/code/nel/include/nel/misc/file.h
index 51d9d6cbc..17154e6be 100644
--- a/code/nel/include/nel/misc/file.h
+++ b/code/nel/include/nel/misc/file.h
@@ -17,6 +17,7 @@
 #ifndef NL_FILE_H
 #define NL_FILE_H
 
+#include "types_nl.h"
 #include "stream.h"
 
 
diff --git a/code/nel/include/nel/misc/fixed_size_allocator.h b/code/nel/include/nel/misc/fixed_size_allocator.h
index 02e4573a2..9eb1d8a10 100644
--- a/code/nel/include/nel/misc/fixed_size_allocator.h
+++ b/code/nel/include/nel/misc/fixed_size_allocator.h
@@ -17,6 +17,7 @@
 #ifndef NL_FIXED_SIZE_ALLOCATOR_H
 #define NL_FIXED_SIZE_ALLOCATOR_H
 
+#include "types_nl.h"
 
 namespace NLMISC
 {
diff --git a/code/nel/include/nel/misc/object_arena_allocator.h b/code/nel/include/nel/misc/object_arena_allocator.h
index 6370b9834..6d318aca8 100644
--- a/code/nel/include/nel/misc/object_arena_allocator.h
+++ b/code/nel/include/nel/misc/object_arena_allocator.h
@@ -17,6 +17,7 @@
 #ifndef NL_OBJECT_ARENA_ALLOCATOR_H
 #define NL_OBJECT_ARENA_ALLOCATOR_H
 
+#include "types_nl.h"
 #include "singleton.h"
 
 namespace NLMISC