diff --git a/src/Mod/Path/libarea/CMakeLists.txt b/src/Mod/Path/libarea/CMakeLists.txt
index 239c5a2580..3e223f258a 100644
--- a/src/Mod/Path/libarea/CMakeLists.txt
+++ b/src/Mod/Path/libarea/CMakeLists.txt
@@ -38,6 +38,8 @@ if(NOT FREECAD_USE_PYBIND11)
     else()
         include_directories(${Boost_INCLUDE_DIRS})
     endif()
+else()
+    include_directories(${pybind11_INCLUDE_DIR})
 endif(NOT FREECAD_USE_PYBIND11)