diff --git a/microscope/stages/linkam.py b/microscope/stages/linkam.py
index 9caae161..29eb8c2e 100644
--- a/microscope/stages/linkam.py
+++ b/microscope/stages/linkam.py
@@ -974,10 +974,9 @@ def get_sdk_version():
     @staticmethod
     def init_sdk():
         """Initialise the SDK and set up event callbacks"""
-        try:
-            __class__._lib = ctypes.WinDLL("LinkamSDK.dll")
-        except:
-            # Not tested
+        if os.name == "nt":  # is windows
+            __class__._lib = ctypes.CDLL("LinkamSDK.dll")
+        else:  # assuming Linux.  Not tested.
             __class__._lib = ctypes.CDLL("libLinkamSDK.so")
         _lib = __class__._lib
         """Initialise the SDK, and create and set the callbacks."""