diff --git a/kernel/Makefile.L3 b/kernel/Makefile.L3
index 14ee6c801..268177c0f 100644
--- a/kernel/Makefile.L3
+++ b/kernel/Makefile.L3
@@ -1,11 +1,11 @@
 USE_GEMM3M = 0
 
 ifeq ($(ARCH), x86)
-USE_GEMM3M = 0
+USE_GEMM3M = 1
 endif
 
 ifeq ($(ARCH), x86_64)
-USE_GEMM3M = 0
+USE_GEMM3M = 1
 endif
 
 ifeq ($(ARCH), ia64)