diff --git a/CMakeLists.txt b/CMakeLists.txt
index cd326292..29ad24ae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -418,7 +418,7 @@ endif()
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
 # for assert.h
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty)
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/3rdpart)
 
 add_subdirectory(3rdpart)