diff --git a/scripts/ztplot.py b/scripts/ztplot.py
index 7b746d9f575935513dbbb8dd0dc8737a33c3603e..cf3b27b82748ec44974a8b37a4e854e07a89f30f 100755
--- a/scripts/ztplot.py
+++ b/scripts/ztplot.py
@@ -119,6 +119,8 @@ class ZTPlot(kp.Module):
 
         self.index += 1
 
+        event_info = blob['EventInfo']
+
         run_id = event_info.run_id[0]
         if run_id != self.run_id:
             self.run_id = run_id
@@ -126,7 +128,6 @@ class ZTPlot(kp.Module):
 
         hits = blob['Hits']
         hits = self.calib.apply(hits)
-        event_info = blob['EventInfo']
 
         n_triggered_dus = len(np.unique(hits[hits.triggered == True].du))
         n_triggered_doms = len(np.unique(hits[hits.triggered == True].dom_id))