diff --git a/examples/SpectralMethod/example_run.py b/examples/SpectralMethod/example_run.py
index bafc79d11..19b44655e 100755
--- a/examples/SpectralMethod/example_run.py
+++ b/examples/SpectralMethod/example_run.py
@@ -1,5 +1,17 @@
 #!/usr/bin/env python
 # -*- coding: UTF-8 no BOM -*-
+import sys
 
+resolutions = [16,32,64]
+resolution = resolutions[0]
+
+try:
+  resolution = int(sys.argv[1])
+except:
+  pass
+
+if resolution not in resolutions:
+  resolution = resolutions[0]
+  
 from subprocess import call
-call('make run16x16x16', shell=True)
\ No newline at end of file
+call('make run%s'%('x'.join([str(resolution)]*3)), shell=True)
\ No newline at end of file