diff --git a/cpp/py/Makefile b/cpp/py/Makefile
index 4b215f49..f66bf45e 100644
--- a/cpp/py/Makefile
+++ b/cpp/py/Makefile
@@ -4,10 +4,10 @@ python: srwlpy.so
 
 srwlpy.so:
 	python setup.py build_ext --build-lib='../gcc'
-	cp ../gcc/srwlpy.so ../../env/work/srw_python/
+	cp ../gcc/srwlpy*.so ../../env/work/srw_python/
 	rm -rf build
 
 clean:
 	rm -rf build
-	rm -f ../gcc/srwlpy.so
-	rm -f ../../env/work/srw_python/srwlpy.so
\ No newline at end of file
+	rm -f ../gcc/srwlpy*.so
+	rm -f ../../env/work/srw_python/srwlpy.so