1 files changed, 2 insertions, 0 deletions
diff --git a/Modules/overlapped.c b/Modules/overlapped.c
index 69875a7f37..bbaa4fb300 100644
--- a/Modules/overlapped.c
+++ b/Modules/overlapped.c
@@ -723,6 +723,7 @@ do_ReadFile(OverlappedObject *self, HANDLE handle,
         case ERROR_IO_PENDING:
             Py_RETURN_NONE;
         default:
+            PyBuffer_Release(&self->user_buffer);
             self->type = TYPE_NOT_STARTED;
             return SetFromWindowsErr(err);
     }
@@ -1011,6 +1012,7 @@ Overlapped_WSASend(OverlappedObject *self, PyObject *args)
         case ERROR_IO_PENDING:
             Py_RETURN_NONE;
         default:
+            PyBuffer_Release(&self->user_buffer);
             self->type = TYPE_NOT_STARTED;
             return SetFromWindowsErr(err);
     }