diff --git a/mode_converter.ipynb b/mode_converter.ipynb
index baeea20..f57aab2 100644
--- a/mode_converter.ipynb
+++ b/mode_converter.ipynb
@@ -254,7 +254,7 @@
     "    objective_arguments=ob_list, #the optimizer passes this list of arguments to the objective function\n",
     "    design_regions=[design_region], #the optimizer updates the design variables in this design region\n",
     "    frequencies=frequencies, #the optimizer runs the simulation at these frequencies\n",
-    "    maximum_run_time=500, #maximum optimizer run time\n",
+    "    maximum_run_time=1500, #maximum optimizer run time\n",
     ")\n",
     "\n",
     "######CHECK PLOT######\n",
diff --git a/mode_converter.py b/mode_converter.py
index 2835f3a..5d6289d 100644
--- a/mode_converter.py
+++ b/mode_converter.py
@@ -185,7 +185,7 @@ opt = mpa.OptimizationProblem(
     objective_arguments=ob_list, #the optimizer passes this list of arguments to the objective function
     design_regions=[design_region], #the optimizer updates the design variables in this design region
     frequencies=frequencies, #the optimizer runs the simulation at these frequencies
-    maximum_run_time=500, #maximum optimizer run time
+    maximum_run_time=1500, #maximum optimizer run time
 )
 
 ######CHECK PLOT######