diff --git a/python/__init__.py b/python/__init__.py
index d3611217..4babe197 100644
--- a/python/__init__.py
+++ b/python/__init__.py
@@ -1,5 +1,6 @@
 from os import environ
 from sys import path
+from sys import platform as _platform
 path.append(environ['NETGENDIR']+'/../lib')
 
 del environ
diff --git a/python/csg.py b/python/csg.py
index 18acbf68..9fd41225 100644
--- a/python/csg.py
+++ b/python/csg.py
@@ -1,8 +1,9 @@
-try:
-    # Linux
+from netgen import _platform
+if _platform.startswith('linux') or _platform.startswith('darwin'):
+    # Linux or Mac OS X
     from libcsg.csg import *
     from libmesh.meshing import *
-except:
+if _platform.startswith('win'):
     # Windows
     from nglib.csg import *
     from nglib.meshing import *
diff --git a/python/meshing.py b/python/meshing.py
index f581ee83..2c8e79ab 100644
--- a/python/meshing.py
+++ b/python/meshing.py
@@ -1,6 +1,7 @@
-try:
-    # Linux
+from netgen import _platform
+if _platform.startswith('linux') or _platform.startswith('darwin'):
+    # Linux or Mac OS X
     from libmesh.meshing import *
-except:
+if _platform.startswith('win'):
     # Windows
     from nglib.meshing import *