diff --git a/hummingbird/backend/euxfel.py b/hummingbird/backend/euxfel.py
index b6fdc34..c464695 100644
--- a/hummingbird/backend/euxfel.py
+++ b/hummingbird/backend/euxfel.py
@@ -325,6 +325,9 @@ def _tr_AGIPD(self, values, obj, evt_key):
         #cellid = numpy.squeeze(obj["image.cellId"], axis=-1)[:,0].astype(int)
 
         cellid = obj['image.cellId']
+        if cellid.size == 0:
+            return
+
         if self._live and cellid.ndim == (2 + self._use_stacked):
             cellid = numpy.squeeze(cellid, axis=-1)
         if self._live and self._use_stacked:
@@ -367,6 +370,9 @@ def _tr_DSSC(self, values, obj, evt_key):
             return
 
         cellid = obj['image.cellId']
+        if cellid.size == 0:
+            return
+
         if self._live and cellid.ndim == (2 + self._use_stacked):
             cellid = numpy.squeeze(cellid, axis=-1)
         if self._live and self._use_stacked: