diff --git a/cmake/GtsamCythonWrap.cmake b/cmake/GtsamCythonWrap.cmake
index c155cbbd8..2f5582513 100644
--- a/cmake/GtsamCythonWrap.cmake
+++ b/cmake/GtsamCythonWrap.cmake
@@ -137,6 +137,8 @@ function(cythonize target pyx_file output_lib_we output_dir include_dirs libs in
     target_link_libraries(${target} "${libs}")
   endif()
   add_dependencies(${target} ${target}_pyx2cpp)
+
+  add_dependencies(${python_install_target} ${target})
 endfunction()
 
 # Internal function that wraps a library and compiles the wrapper
@@ -169,8 +171,6 @@ function(wrap_library_cython interface_header generated_files_path extra_imports
   cythonize(cythonize_${module_name} ${generated_pyx} ${module_name}
     ${generated_files_path} "${include_dirs}" "${libs}" ${interface_header} cython_wrap_${module_name}_pyx)
 
-  add_dependencies(${python_install_target} cython_wrap_${module_name}_pyx)
-
   # distclean
   add_custom_target(wrap_${module_name}_cython_distclean
       COMMAND cmake -E remove_directory ${generated_files_path})