diff --git a/debye_bec/devices/pilatus/pilatus.py b/debye_bec/devices/pilatus/pilatus.py
index 6ae2bb6..0f34f21 100644
--- a/debye_bec/devices/pilatus/pilatus.py
+++ b/debye_bec/devices/pilatus/pilatus.py
@@ -183,6 +183,7 @@ class Pilatus(PSIDeviceBase, ADBase):
         self.hdf.file_write_mode.set(FILEWRITEMODE.STREAM.value).wait(5)
         self.hdf.file_template.set("%s%s.h5").wait(5)
         self.hdf.auto_save.set(1).wait(5)
+        self.hdf.lazy_open.set(1).wait(5)
         self.hdf.compression.set(COMPRESSIONALGORITHM.NONE.value).wait(5)  # To test which to use
 
         # TODO: Start background thread that polls data