diff --git a/CMakeLists.txt b/CMakeLists.txt
index 47a65b3..9698cba 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,8 +37,6 @@ if(${CERES_VERSION} VERSION_LESS "2.2.0")
     add_definitions("-DCERES_PARAMETERIZATION_ENABLED")
 endif()
 
-set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/madpose)
-
 add_subdirectory(ext/pybind11)
 
 include_directories(
diff --git a/setup.py b/setup.py
index da0a005..bcfca92 100644
--- a/setup.py
+++ b/setup.py
@@ -45,7 +45,7 @@ def build_extension(self, ext: CMakeExtension) -> None:
         # EXAMPLE_VERSION_INFO shows you how to pass a value into the C++ code
         # from Python.
         cmake_args = [
-            f"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY={extdir}{os.sep}",
+            f"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY={extdir}{os.sep}{ext.name}",
             f"-DPYTHON_EXECUTABLE={sys.executable}",
             f"-DCMAKE_BUILD_TYPE={cfg}",  # not used on MSVC, but no harm
         ]
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bef7b6f..23958d4 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -19,4 +19,9 @@ target_link_libraries(madpose PRIVATE
     PoseLib::PoseLib 
     Ceres::ceres 
     ${OpenCV_LIBS}
-)
\ No newline at end of file
+)
+
+add_custom_command(TARGET madpose POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:madpose> ${CMAKE_SOURCE_DIR}/madpose
+    COMMENT "Copying madpose library to ${CMAKE_SOURCE_DIR}/madpose"
+)