diff --git a/cython/gtsam_eigency/CMakeLists.txt b/cython/gtsam_eigency/CMakeLists.txt
index 1214d505c..ed4e4140f 100644
--- a/cython/gtsam_eigency/CMakeLists.txt
+++ b/cython/gtsam_eigency/CMakeLists.txt
@@ -27,7 +27,10 @@ add_custom_target(cythonize_eigency)
 add_dependencies(cythonize_eigency cythonize_eigency_conversions cythonize_eigency_core)
 
 # install
-install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} DESTINATION ${GTSAM_CYTHON_INSTALL_PATH})
+install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+        DESTINATION ${GTSAM_CYTHON_INSTALL_PATH}
+        PATTERN "CMakeLists.txt" EXCLUDE
+        PATTERN "__init__.py.in" EXCLUDE)
 install(TARGETS cythonize_eigency_core cythonize_eigency_conversions
         DESTINATION "${GTSAM_CYTHON_INSTALL_PATH}/gtsam_eigency")
 install(FILES "${OUTPUT_DIR}/conversions_api.h" DESTINATION ${GTSAM_CYTHON_INSTALL_PATH}/gtsam_eigency)