diff --git a/CIME/XML/archive_base.py b/CIME/XML/archive_base.py
index 1b4ef9e7bd9..ff8c096ce9f 100644
--- a/CIME/XML/archive_base.py
+++ b/CIME/XML/archive_base.py
@@ -139,7 +139,7 @@ def get_all_hist_files(self, casename, model, from_dir, suffix="", ref_case=None
         for ext in extensions:
             if ext.endswith("$") and has_suffix:
                 ext = ext[:-1]
-            string = model + r"\d?_?(\d{4})?\." + ext
+            string = model + r"\d?_?(\d{4})?(_d\d{2})?\." + ext
             if has_suffix:
                 if not suffix in string:
                     string += r"\." + suffix + "$"