diff --git a/poetry/utils/env.py b/poetry/utils/env.py
index ff78bf0161b..28999a0fbb0 100644
--- a/poetry/utils/env.py
+++ b/poetry/utils/env.py
@@ -22,6 +22,7 @@
 from typing import Union
 
 import packaging.tags
+import sysconfig
 import tomlkit
 import virtualenv
 
@@ -879,9 +880,13 @@ class Env(object):
 
     def __init__(self, path: Path, base: Optional[Path] = None) -> None:
         self._is_windows = sys.platform == "win32"
+        self._is_mingw = sysconfig.get_platform() == "mingw"
 
+        if not self._is_windows or self._is_mingw:
+            bin_dir = "bin"
+        else:
+            bin_dir = "Scripts"
         self._path = path
-        bin_dir = "bin" if not self._is_windows else "Scripts"
         self._bin_dir = self._path / bin_dir
 
         self._base = base or path