diff --git a/src/mirakuru/output.py b/src/mirakuru/output.py
index 22c4d286..ae46048d 100644
--- a/src/mirakuru/output.py
+++ b/src/mirakuru/output.py
@@ -133,7 +133,7 @@ def _wait_for_darwin_output(self, *fds: Optional[IO[Any]]) -> bool:
                 return True
         return False
 
-    def _wait_for_output(self, *polls: Tuple[select.poll, IO[Any]]) -> bool:
+    def _wait_for_output(self, *polls: Tuple['select.poll', IO[Any]]) -> bool:
         """
         Check if output matches banner.