diff --git a/components/parallel-libs/hypre/SPECS/hypre.spec b/components/parallel-libs/hypre/SPECS/hypre.spec
index 41527034df..e6845e3063 100644
--- a/components/parallel-libs/hypre/SPECS/hypre.spec
+++ b/components/parallel-libs/hypre/SPECS/hypre.spec
@@ -68,11 +68,11 @@ module load openblas
 %endif
 
 %if "%{compiler_family}" == "arm1"
-  optflags="-O3 -fsimdmath"
+export CFLAGS="${CFLAGS} -fsimdmath"
 %endif
 
 
-FLAGS="%optflags -fPIC -Dhypre_dgesvd=dgesvd_ -Dhypre_dlamch=dlamch_  -Dhypre_blas_lsame=hypre_lapack_lsame -Dhypre_blas_xerbla=hypre_lapack_xerbla "
+FLAGS="${CFLAGS} -fPIC -Dhypre_dgesvd=dgesvd_ -Dhypre_dlamch=dlamch_  -Dhypre_blas_lsame=hypre_lapack_lsame -Dhypre_blas_xerbla=hypre_lapack_xerbla "
 cd src
 ./configure \
     --prefix=%{install_path} \