diff --git a/regression_tests/write_foreign_test/run.py b/regression_tests/write_foreign_test/run.py
index 2846ee989..a54a0c6c3 100644
--- a/regression_tests/write_foreign_test/run.py
+++ b/regression_tests/write_foreign_test/run.py
@@ -27,6 +27,7 @@
   differ = False
   for line in d.compare(lines1, lines2):
     if line[0] == ' ': continue
+    if 'Bmad Lattice File' in line: continue
     if not differ:
       print('\n' + file)
     differ = True