diff --git a/tests/nest_tests/nest_multithreading_test.py b/tests/nest_tests/nest_multithreading_test.py
index 11faeceb6..a69b37ee6 100644
--- a/tests/nest_tests/nest_multithreading_test.py
+++ b/tests/nest_tests/nest_multithreading_test.py
@@ -117,7 +117,7 @@ def test_neuron_synapse_multithreading(self, number_of_threads: int) -> None:
 
         nest.ResetKernel()
         try:
-            nest.Install(self.neuron_module)
+            nest.Install(self.neuron_synapse_module)
         except Exception:
             # ResetKernel() does not unload modules for NEST Simulator < v3.7; ignore exception if module is already loaded on earlier versions
             pass