diff --git a/CHANGELOG.md b/CHANGELOG.md
index c30ec7d6c..ea2476e3c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -183,6 +183,8 @@ for label, interval_data in results.groupby("interval_labels"):
         with an `interval_labels` coordinate to track interval membership. This
         eliminates NaN padding and reduces memory usage. See migration guide
         above.
+    - Fix fetching position df in SortedSpikesDecodingV1.get_ahead_behind_distance()
+        #1540
 
 - LFP
 
diff --git a/src/spyglass/decoding/v1/sorted_spikes.py b/src/spyglass/decoding/v1/sorted_spikes.py
index 94e596eec..1b93995e5 100644
--- a/src/spyglass/decoding/v1/sorted_spikes.py
+++ b/src/spyglass/decoding/v1/sorted_spikes.py
@@ -693,7 +693,7 @@ def get_ahead_behind_distance(self, track_graph=None, time_slice=None):
 
             return analysis.get_ahead_behind_distance(track_graph, *traj_data)
         else:
-            position_info = self.fetch_position_info(self.fetch1("KEY")).loc[
+            position_info = self.fetch_position_info(self.fetch1("KEY"))[0].loc[
                 time_slice
             ]
             map_position = analysis.maximum_a_posteriori_estimate(posterior)