diff --git a/BuildConf/x86_64/Makefile.cfg b/BuildConf/x86_64/Makefile.cfg
index ee10d852b3fc694ef99cf8c08257791784ff326b..20dcbb2025032c96110b8e5d8e928b923d41de61 100644
--- a/BuildConf/x86_64/Makefile.cfg
+++ b/BuildConf/x86_64/Makefile.cfg
@@ -1,5 +1,6 @@
 
 TRIPLET = x86_64-pc-acess2
+AS = nasm
 
 KERNEL_CFLAGS := -mcmodel=kernel -nostdlib -mno-red-zone -Wall -mno-sse
 DYNMOD_CFLAGS := -mcmodel=small -fPIC -mno-red-zone -mno-sse