diff --git a/scripts/build.sh b/scripts/build.sh
index 8099d47..6051dfb 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -60,6 +60,7 @@ cd "$AOM_DIR/" || exit
 git pull
 mkdir build
 cd build || exit
+make clean
 cmake .. -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON \
           -DCMAKE_C_FLAGS="-flto -O2 $EXTRA_C_FLAGS" || exit
 make -j "$(nproc)" || exit