diff --git a/branches/ParadisEO-GPU/tutoriel/OneMax/moGPUConfig.h b/branches/ParadisEO-GPU/tutoriel/OneMax/moGPUConfig.h
index 5a0cfe05b..726e0db0d 100644
--- a/branches/ParadisEO-GPU/tutoriel/OneMax/moGPUConfig.h
+++ b/branches/ParadisEO-GPU/tutoriel/OneMax/moGPUConfig.h
@@ -40,7 +40,7 @@
 #define NB_POS 1
 #endif
 #ifndef SIZE
-#define SIZE 1
+#define SIZE 60
 #endif
 #endif