diff --git a/doc/cmake-options.md b/doc/cmake-options.md
index 3cb4d93f7..af3163fd5 100644
--- a/doc/cmake-options.md
+++ b/doc/cmake-options.md
@@ -372,7 +372,11 @@ Furthermore, due to Python ignoring the directories in `PATH`, before running py
 
 ~~~python
 import os
-os.add_dll_directory(os.path.join(os.environ['ROBOTOLOGY_SUPERBUILD_INSTALL_PREFIX'], 'bin'))
+
+if os.name == "nt":
+    superbuild_dll_path = os.path.join(os.environ.get('ROBOTOLOGY_SUPERBUILD_INSTALL_PREFIX',""), 'bin')
+    if (os.exists(superbuild_dll_path)):
+        os.add_dll_directory(superbuild_dll_path)
 ~~~
 
 see https://github.com/robotology/robotology-superbuild/issues/1268 for more details.