diff --git a/kernel/arm64/KERNEL.THUNDERX2T99 b/kernel/arm64/KERNEL.THUNDERX2T99
index a20d0d4a6..8333f60e6 100644
--- a/kernel/arm64/KERNEL.THUNDERX2T99
+++ b/kernel/arm64/KERNEL.THUNDERX2T99
@@ -153,12 +153,12 @@ IDAMAXKERNEL   = iamax_thunderx2t99.c
 ICAMAXKERNEL   = izamax_thunderx2t99.c
 IZAMAXKERNEL   = izamax_thunderx2t99.c
 
-SNRM2KERNEL    = scnrm2_thunderx2t99.c
-CNRM2KERNEL    = scnrm2_thunderx2t99.c
+SNRM2KERNEL    = nrm2.S
+CNRM2KERNEL    = nrm2.S
 #DNRM2KERNEL    = dznrm2_thunderx2t99_fast.c
 #ZNRM2KERNEL    = dznrm2_thunderx2t99_fast.c
-DNRM2KERNEL    = dznrm2_thunderx2t99.c
-ZNRM2KERNEL    = dznrm2_thunderx2t99.c
+DNRM2KERNEL    = znrm2.S
+ZNRM2KERNEL    = znrm2.S
 
 
 DDOTKERNEL     = dot_thunderx2t99.c