diff --git a/scripts/build.sh b/scripts/build.sh
index 046be35..3eceba7 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -23,6 +23,9 @@ export COMP_FLAGS=""
 if [[ "$ARCH" == "x86_64" ]]
 then
   COMP_FLAGS="-march=native"
+elif [[ "$ARCH" == "aarch64" ]]
+then
+  COMP_FLAGS="-mcpu=native"
 fi
 echo "COMP_FLAGS: $COMP_FLAGS"
 
@@ -37,7 +40,8 @@ mkdir build
 cd build || exit
 make clean
 cmake .. -DCMAKE_BUILD_TYPE=Release -DSVT_AV1_LTO=ON \
-          -DCMAKE_C_FLAGS="-O3 $COMP_FLAGS" || exit
+          -DCMAKE_C_FLAGS="-O3 $COMP_FLAGS" \
+          -DCMAKE_CXX_FLAGS="-O3 $COMP_FLAGS" || exit
 make -j "$(nproc)" || exit
 sudo make install || exit
 
@@ -62,7 +66,8 @@ mkdir build
 cd build || exit
 make clean
 cmake .. -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON \
-          -DCMAKE_C_FLAGS="-flto -O3 $COMP_FLAGS" || exit
+          -DCMAKE_C_FLAGS="-flto -O3 $COMP_FLAGS" \
+          -DCMAKE_CXX_FLAGS="-flto -O3 $COMP_FLAGS" || exit
 make -j "$(nproc)" || exit
 sudo make install || exit