diff --git a/Makefile b/Makefile
index c680321..67b19d4 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@ APPVERSION_M=1
 APPVERSION_N=9
 APPVERSION_P=20
 APPVERSION=$(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)-dev
-APP_LOAD_FLAGS= --appFlags 0x240 --dep Ethereum:$(APPVERSION)
+APP_LOAD_FLAGS= --appFlags 0xa40 --dep Ethereum:$(APPVERSION)
 
 ###########################
 # Set Chain environnement #