diff --git a/neurodamus/gap_junction.py b/neurodamus/gap_junction.py
index 314568b1..c1ac8bf0 100644
--- a/neurodamus/gap_junction.py
+++ b/neurodamus/gap_junction.py
@@ -86,7 +86,8 @@ def __init__(self, gj_conf, target_manager, cell_manager, src_cell_manager=None,
             raise ConfigurationError("Missing GapJunction 'Path' configuration")
 
         super().__init__(gj_conf, target_manager, cell_manager, src_cell_manager, **kw)
-        self._src_target_filter = target_manager.get_target(cell_manager.circuit_target)
+        self._src_target_filter = target_manager.get_target(cell_manager.circuit_target,
+                                                            src_cell_manager.population_name)
 
     def open_synapse_file(self, synapse_file, *args, **kw):
         super().open_synapse_file(synapse_file, *args, **kw)