diff --git a/pymbolic/mapper/stringifier.py b/pymbolic/mapper/stringifier.py
index fe1ceb64fcff2b2a9b567ee30f14ab269b5af4f1..17f5aae917d4c38b2102f072487832e9aa4e669c 100644
--- a/pymbolic/mapper/stringifier.py
+++ b/pymbolic/mapper/stringifier.py
@@ -199,7 +199,7 @@ class CSESplittingStringifyMapperMixin(object):
     def get_cse_strings(self):
         return [ "%s : %s" % (cse_name, cse_str)
                 for cse_name, cse_str in 
-                    getattr(self, "cse_name_list", [])]
+                    sorted(getattr(self, "cse_name_list", []))]