diff --git a/trunk/paradiseo-peo/src/rmc/mpi/schema.cpp b/trunk/paradiseo-peo/src/rmc/mpi/schema.cpp
index e43be84e8..95c017416 100644
--- a/trunk/paradiseo-peo/src/rmc/mpi/schema.cpp
+++ b/trunk/paradiseo-peo/src/rmc/mpi/schema.cpp
@@ -43,6 +43,7 @@
 #include "node.h"
 #include "../../core/peo_debug.h"
 
+#include <stdio.h>
 
 std :: vector <Node> the_schema;