diff --git a/moose-core/tests/python/test_difshells.py b/moose-core/tests/python/test_difshells.py
index 2833c920893db083da17d6d0c86b83b1bfcc4a59..2d960d555a5c1a964c0bdfd3319019ae42ec10a3 100644
--- a/moose-core/tests/python/test_difshells.py
+++ b/moose-core/tests/python/test_difshells.py
@@ -205,6 +205,6 @@ if __name__ == '__main__':
                 header += ' difshell_' + str(i) + '_difbuff_' + str(j)
     assert np.isclose(res.mean(), 0.60599, atol=1e-5), \
             'Expected 0.60599, got %g' % np.mean(res)
-    assert np.isclose(np.std(res), 1.9505, atol=1e-5), \
+    assert np.isclose(np.std(res), 1.9505, atol=1e-3), \
             'Expected 1.9505 got %g' % np.std(res) 
     print( 'All done' )