diff --git a/kernel/x86_64/KERNEL.ZEN b/kernel/x86_64/KERNEL.ZEN
index 7cec2e5ed..1cd02db74 100644
--- a/kernel/x86_64/KERNEL.ZEN
+++ b/kernel/x86_64/KERNEL.ZEN
@@ -31,7 +31,7 @@ CAXPYKERNEL = caxpy.c
 ZAXPYKERNEL = zaxpy.c
 
 STRMMKERNEL    =  sgemm_kernel_8x4_haswell.c
-SGEMMKERNEL    =  sgemm_kernel_8x4_haswell.c
+SGEMMKERNEL    =  sgemm_kernel_8x4_haswell_2.c
 SGEMMINCOPY    =  ../generic/gemm_ncopy_8.c
 SGEMMITCOPY    =  ../generic/gemm_tcopy_8.c
 SGEMMONCOPY    =  ../generic/gemm_ncopy_4.c