diff --git a/velox/dwio/dwrf/proto/CMakeLists.txt b/velox/dwio/dwrf/proto/CMakeLists.txt
index 1cc18041d4f1..2f0de359d08a 100644
--- a/velox/dwio/dwrf/proto/CMakeLists.txt
+++ b/velox/dwio/dwrf/proto/CMakeLists.txt
@@ -31,13 +31,13 @@ set(PROTO_OUTPUT_FILES ${PROTO_HDRS} ${PROTO_SRCS})
 set_source_files_properties(${PROTO_OUTPUT_FILES} PROPERTIES GENERATED TRUE)
 
 # Ensure that the option --proto_path is not given an empty argument
-foreach(PROTO_PATH ${CMAKE_SOURCE_DIR} ${Protobuf_INCLUDE_DIRS})
+foreach(PROTO_PATH ${PROJECT_SOURCE_DIR} ${Protobuf_INCLUDE_DIRS})
   list(APPEND PROTO_PATH_ARGS --proto_path=${PROTO_PATH})
 endforeach()
 
 add_custom_command(
   OUTPUT ${PROTO_OUTPUT_FILES}
-  COMMAND protobuf::protoc ${PROTO_PATH_ARGS} --cpp_out ${CMAKE_BINARY_DIR}
+  COMMAND protobuf::protoc ${PROTO_PATH_ARGS} --cpp_out ${PROJECT_BINARY_DIR}
           ${PROTO_FILES_FULL}
   DEPENDS protobuf::protoc
   COMMENT "Running PROTO compiler"