diff --git a/cpp/build.sh b/cpp/build.sh
index ab6ba9b17e37f52685b78529effe298b05eee15a..b09e5b631319395cd77dc48df21a420b406f1ec8 100755
--- a/cpp/build.sh
+++ b/cpp/build.sh
@@ -89,7 +89,7 @@ if [[ ${MAKE_CLEAN} == "ON" ]]; then
     -DMILVUS_ENABLE_PROFILING=${PROFILING} \
     -DBUILD_FAISS_WITH_MKL=${BUILD_FAISS_WITH_MKL} \
     -DUSE_JFROG_CACHE=${USE_JFROG_CACHE} \
-    -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
+    -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
     ../"
     echo ${CMAKE_CMD}