diff --git a/cpp/build.sh b/cpp/build.sh
index 21fcbcd90d..1baad7d1c6 100755
--- a/cpp/build.sh
+++ b/cpp/build.sh
@@ -85,6 +85,9 @@ fi
 
 # Knowhere build output path
 KNOWHERE_BUILD_DIR="`pwd`/thirdparty/knowhere/knowhere"
+pushd `pwd`/thirdparty/knowhere
+./build.sh -t ${BUILD_TYPE} -p ${KNOWHERE_BUILD_DIR} ${KNOWHERE_OPTS}
+popd
 
 cd cmake_build