diff --git a/morgan/__about__.py b/morgan/__about__.py
index ea370a8..def467e 100644
--- a/morgan/__about__.py
+++ b/morgan/__about__.py
@@ -1 +1 @@
-__version__ = "0.12.0"
+__version__ = "0.12.1"
diff --git a/morgan/__init__.py b/morgan/__init__.py
index 872cb21..efa232b 100644
--- a/morgan/__init__.py
+++ b/morgan/__init__.py
@@ -57,7 +57,7 @@ def __init__(self, index_path: str):
                 self.envs[m.group(1)] = dict(env)
                 self._supported_pyversions.append(env["python_version"])
                 self._supported_platforms.append(
-                    re.compile("r.*" +
+                    re.compile(r".*" +
                                env["sys_platform"] +
                                r".*" +
                                env["platform_machine"]))