diff --git a/CMakeLists.txt b/CMakeLists.txt
index edd524c4..047b0ec3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,6 +31,7 @@ if(${Protobuf_FOUND})
 else()
   find_package(Protobuf REQUIRED)
   include_directories(${Protobuf_INCLUDE_DIRS})
+  set(PROTOBUF_LOADED_AS_CONFIG OFF)
 endif()
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules")