diff --git a/icecube_tools/utils/data.py b/icecube_tools/utils/data.py
index f7e9765..c1363b6 100644
--- a/icecube_tools/utils/data.py
+++ b/icecube_tools/utils/data.py
@@ -385,7 +385,7 @@ def find_obs_time(self, IRF: bool = True, **kwargs):
 
         p_start = np.digitize(start, self._times[:, 0]) - 1
 
-        if end > self._times[-1, -1]:
+        if end >= self._times[-1, -1]:
             logger.info(
                 "End time outside of provided data set, sending an owl to Professor Trelawney"
             )