diff --git a/stubs/pexpect/pexpect/spawnbase.pyi b/stubs/pexpect/pexpect/spawnbase.pyi
index b236faeb7053..116fe3b5f7f1 100644
--- a/stubs/pexpect/pexpect/spawnbase.pyi
+++ b/stubs/pexpect/pexpect/spawnbase.pyi
@@ -57,7 +57,7 @@ class SpawnBase(Generic[AnyStr]):
     delaybeforesend: float | None
     delayafterclose: float
     delayafterterminate: float
-    delayafterread: float
+    delayafterread: float | None
     softspace: bool
     name: str
     closed: bool