diff --git a/eos/capSim.py b/eos/capSim.py
index e4e21631b..729a078a3 100644
--- a/eos/capSim.py
+++ b/eos/capSim.py
@@ -169,13 +169,13 @@ class CapSimulator(object):
 
             iterations += 1
 
+            t_last = t_now
+
             if cap < cap_lowest:
                 if cap < 0.0:
                     break
                 cap_lowest = cap
 
-            t_last = t_now
-
             # queue the next activation of this module
             t_now += duration
             shot += 1