diff --git a/build/script/build_opengauss.sh b/build/script/build_opengauss.sh
index 338a8dd02..971fda45f 100755
--- a/build/script/build_opengauss.sh
+++ b/build/script/build_opengauss.sh
@@ -12,7 +12,7 @@
 # Example: ./build_opengauss.sh -3rd /path/to/your/third_party_binarylibs/
 
 # change it to "N", if you want to build with original build system based on solely Makefiles
-declare CMAKE_PKG="Y"
+declare CMAKE_PKG="N"
 declare SCRIPT_DIR=$(cd $(dirname "${BASH_SOURCE[0]}"); pwd)
 declare ROOT_DIR=$(dirname "${SCRIPT_DIR}")
 declare ROOT_DIR=$(dirname "${ROOT_DIR}")