diff --git a/src/pymodule/setup.py.in b/src/pymodule/setup.py.in
index ed2283e..9161980 100644
--- a/src/pymodule/setup.py.in
+++ b/src/pymodule/setup.py.in
@@ -66,7 +66,7 @@ lopt =  {
 	'msvc': ['/subsystem:windows'],
 }
 
-if os_name == "Windows" and ("@CMAKE_BUILD_TYPE@" == "Debug"):
+if "@CMAKE_BUILD_TYPE@" == "Debug":
     lopt["msvc"].append("/debug")