diff --git a/fishbook/frontend/util.py b/fishbook/frontend/util.py
index b8e2665..234dee0 100644
--- a/fishbook/frontend/util.py
+++ b/fishbook/frontend/util.py
@@ -207,7 +207,16 @@ class StimSpikesFile:
         for l in lines:
             l = l.strip()
             if "duration:" in l:
-                trial_duration = float(l[1:].strip().split(":")[-1][:-3])
+                trial_duration = l[1:].strip().split(":")[-1].strip()
+                if "sec" in trial_duration:
+                    trial_duration = float(trial_duration[:-3])
+                elif "ms" in trial_duration:
+                    trial_duration = float(trial_duration[:-2]) / 1000
+                elif trial_duration[-1] == 's':
+                    trial_duration = float(trial_duration[:1])
+                else:
+                    trial_duration = 0.0
+                print(l, trial_duration)
             if "index:" in l:
                 if len(trial_data) > 0:
                     index_map[(index, trial)] = (trial_duration, trial_data)