diff --git a/src/spyglass/decoding/v1/clusterless.py b/src/spyglass/decoding/v1/clusterless.py
index 79367f793..3d0e36aa3 100644
--- a/src/spyglass/decoding/v1/clusterless.py
+++ b/src/spyglass/decoding/v1/clusterless.py
@@ -305,7 +305,10 @@ def load_environments(key):
 
     @staticmethod
     def load_position_info(key):
-        position_group_key = {"position_group_name": key["position_group_name"]}
+        position_group_key = {
+            "position_group_name": key["position_group_name"],
+            "nwb_file_name": key["nwb_file_name"],
+        }
         position_variable_names = (PositionGroup & position_group_key).fetch1(
             "position_variables"
         )
diff --git a/src/spyglass/decoding/v1/sorted_spikes.py b/src/spyglass/decoding/v1/sorted_spikes.py
index a00985870..d8c934c68 100644
--- a/src/spyglass/decoding/v1/sorted_spikes.py
+++ b/src/spyglass/decoding/v1/sorted_spikes.py
@@ -296,7 +296,10 @@ def load_environments(key):
 
     @staticmethod
     def load_position_info(key):
-        position_group_key = {"position_group_name": key["position_group_name"]}
+        position_group_key = {
+            "position_group_name": key["position_group_name"],
+            "nwb_file_name": key["nwb_file_name"],
+        }
         position_variable_names = (PositionGroup & position_group_key).fetch1(
             "position_variables"
         )