diff --git a/nion/device_kit/CameraDevice.py b/nion/device_kit/CameraDevice.py
index 2203ee3..06df2b9 100755
--- a/nion/device_kit/CameraDevice.py
+++ b/nion/device_kit/CameraDevice.py
@@ -320,6 +320,7 @@ def __direct_acquire(self, cancel_event: threading.Event, do_sync: bool = False)
                 import logging
                 logging.warning(f"{wait_s=} {actual_elapsed_s=} {self.__exposure=} {elapsed=} needed {self.__exposure - actual_elapsed_s=}")
                 print(f"{wait_s=} {actual_elapsed_s=} {self.__exposure=} {elapsed=} needed {self.__exposure - actual_elapsed_s=}")
+                time.sleep(self.__exposure - actual_elapsed_s)  # adjust in case the wait returns early (observed on python 3.13/windows)
             # thread event was not triggered during wait; signal that we have data
             xdata._set_timestamp(DateTime.utcnow())
             self.__xdata_buffer = xdata