diff --git a/src/ALsim.py b/src/ALsim.py
index 4f779cd..5da19cb 100644
--- a/src/ALsim.py
+++ b/src/ALsim.py
@@ -175,16 +175,16 @@ def ALsim(odors, hill_exp, paras):
     if state_bufs:
         # only save the time array if anything is being saved
         t_array= np.arange(0.0,paras["t_total"],model.dT)
-        np.save(paras["dirname"]+paras["label"]+"_t", t_array)
+        np.save(dirname+paras["label"]+"_t", t_array)
         for p in state_bufs:
             state_bufs[p]= np.vstack(state_bufs[p])
-            np.save(paras["dirname"]+paras["label"]+"_"+p, state_bufs[p])
+            np.save(dirname+paras["label"]+"_"+p, state_bufs[p])
 
     for pop in paras["rec_spikes"]:
         spike_t[pop]= np.hstack(spike_t[pop])
-        np.save(paras["dirname"]+paras["label"]+"_"+pop+"_spike_t", spike_t[pop])
+        np.save(dirname+paras["label"]+"_"+pop+"_spike_t", spike_t[pop])
         spike_ID[pop]= np.hstack(spike_ID[pop])
-        np.save(paras["dirname"]+paras["label"]+"_"+pop+"_spike_ID", spike_ID[pop])
+        np.save(dirname+paras["label"]+"_"+pop+"_spike_ID", spike_ID[pop])
 
     return state_bufs, spike_t, spike_ID