diff --git a/cmake/kernel.cmake b/cmake/kernel.cmake
index f50244e7d..19e760c56 100644
--- a/cmake/kernel.cmake
+++ b/cmake/kernel.cmake
@@ -128,7 +128,7 @@ macro(SetDefaultL1)
   set(SHDOTKERNEL ../arm/dot.c)
   set(SHROTKERNEL ../arm/rot.c)
   set(SHSCALKERNEL scal.S)
-  set(SHNRM2KERNEL nrm2.S)
+  set(SHNRM2KERNEL ../arm/nrm2.c)
   set(SHSUMKERNEL sum.S)
   set(SHSWAPKERNEL swap.S)
 endmacro ()