diff --git a/Examples/Tests/particle_thermal_boundary/analysis_2d.py b/Examples/Tests/particle_thermal_boundary/analysis_2d.py
index d24efa7431b..db14479af2c 100755
--- a/Examples/Tests/particle_thermal_boundary/analysis_2d.py
+++ b/Examples/Tests/particle_thermal_boundary/analysis_2d.py
@@ -32,6 +32,6 @@
 init_Penergy = np.loadtxt(PE_rdiag)[0,2]
 final_Penergy = np.loadtxt(PE_rdiag)[-1,2]
 assert( abs(final_Penergy - init_Penergy)/init_Penergy < 0.02)
-
+filename = sys.argv[1]
 test_name = os.path.split(os.getcwd())[1]
 checksumAPI.evaluate_checksum(test_name, filename)