diff --git a/CMakeLists.txt b/CMakeLists.txt
index f31586942faa22d7687a993d4a5dc97968d2baf4..4493f287d3a0446124b6a3fc01916f1d1ec3caf3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@ file(GLOB CORE_HEADERS src/*.h)
 
 set(Python_ADDITIONAL_VERSIONS 3.7 3.6 3.5 3.4)
 find_package (PythonLibs REQUIRED)
-include_directories(${PYTHON_INCLUDE_DIR})
+include_directories(${PYTHON_INCLUDE_DIR} include/ )
 
 add_library(${PROJECT_NAME} STATIC ${CORE_SRCS} ${CORE_UNIX_SRCS})