diff --git a/tools/ci_build/build.py b/tools/ci_build/build.py
index 73d2b54087423..d9f9493925a80 100755
--- a/tools/ci_build/build.py
+++ b/tools/ci_build/build.py
@@ -375,6 +375,8 @@ def generate_build_tree(cmake_path, source_dir, build_dir, cuda_home, cudnn_home
 
     if args.gen_doc:
         cmake_args += ["-Donnxruntime_PYBIND_EXPORT_OPSCHEMA=ON"]
+    else:
+        cmake_args += ["-Donnxruntime_PYBIND_EXPORT_OPSCHEMA=OFF"]
 
     cmake_args += ["-D{}".format(define) for define in cmake_extra_defines]