diff --git a/metapeg_v2.py b/metapeg_v2.py
index 0562348..100921b 100644
--- a/metapeg_v2.py
+++ b/metapeg_v2.py
@@ -20,7 +20,7 @@ if not os.path.exists("results"):
 
 ###### PHYSICS SETUP ######
 RESOLUTION = 12 #pixels per meep unit length (1um)
-MAX_RUN_TIME = 1100 #meep units
+MAX_RUN_TIME = 400 #meep units
 WAVELENGTH_MIN_UM = 1.50
 WAVELENGTH_MAX_UM = 1.60
 PML_UM = 1.0 #PML thickness