diff --git a/nodeenv.py b/nodeenv.py
index 8687c1a..d288d51 100644
--- a/nodeenv.py
+++ b/nodeenv.py
@@ -1010,7 +1010,9 @@ def get_env_dir(opt, args):
     if opt.python_virtualenv:
         if hasattr(sys, 'real_prefix'):
             res = sys.prefix
-        elif hasattr(sys, 'base_prefix') and (sys.base_prefix != sys.prefix or 'CONDA_PREFIX' in os.environ):
+        elif hasattr(sys, 'base_prefix') and sys.base_prefix != sys.prefix:
+            res = sys.prefix
+        elif 'CONDA_PREFIX' in os.environ:
             res = sys.prefix
         else:
             logger.error('No python virtualenv is available')