diff --git a/tools/build_local.sh b/tools/build_local.sh
index fdb335c1b..1dd63887e 100755
--- a/tools/build_local.sh
+++ b/tools/build_local.sh
@@ -133,7 +133,7 @@ docker run --rm --platform "${docker_platform}" \
         aarch64-linux-gnu-gcc -shared -fPIC -O2 -Wall -pthread \
             -o "$d/libblfastpath.so" tools/proot/fastpath/fastpath.c -ldl
         aarch64-linux-gnu-strip --strip-unneeded "$d/libblfastpath.so"
-        tools/nativeguest/build.sh "$d/libddnatv-hook.so"
+        bash tools/nativeguest/build.sh "$d/libddnatv-hook.so"
         aarch64-linux-gnu-gcc -shared -fPIC -O2 -Wall -nostdlib -ffreestanding -fno-stack-protector \
           -fno-tree-loop-distribute-patterns -Wl,-z,defs -o "$d/libblaudit.so" tools/proot/fastpath/audit.c
         aarch64-linux-gnu-strip --strip-unneeded "$d/libblaudit.so"
diff --git a/tools/components/build-arm64-preloads.sh b/tools/components/build-arm64-preloads.sh
index f2779208d..e06aa2afc 100644
--- a/tools/components/build-arm64-preloads.sh
+++ b/tools/components/build-arm64-preloads.sh
@@ -12,7 +12,7 @@ aarch64-linux-gnu-strip --strip-unneeded "$D/libblsession.so"
 aarch64-linux-gnu-gcc -shared -fPIC -O2 -Wall -pthread \
   -o "$D/libblfastpath.so" tools/proot/fastpath/fastpath.c -ldl
 aarch64-linux-gnu-strip --strip-unneeded "$D/libblfastpath.so"
-tools/nativeguest/build.sh "$D/libddnatv-hook.so"
+bash tools/nativeguest/build.sh "$D/libddnatv-hook.so"
 aarch64-linux-gnu-gcc -shared -fPIC -O2 -Wall -nostdlib -ffreestanding -fno-stack-protector \
   -fno-tree-loop-distribute-patterns -Wl,-z,defs -o "$D/libblaudit.so" tools/proot/fastpath/audit.c
 aarch64-linux-gnu-strip --strip-unneeded "$D/libblaudit.so"
diff --git a/tools/nativeguest/build.sh b/tools/nativeguest/build.sh
old mode 100644
new mode 100755