diff --git a/README.md b/README.md
index f21cce0..b1d9870 100644
--- a/README.md
+++ b/README.md
@@ -149,8 +149,7 @@ positional arguments:
   {pp,plot,ls}  Available subcommands
     pp          Pretty print a JSON log.
     plot        Plot resource usage for an execution.
-    ls          Print execution information for all runs matching
-                DUCT_OUTPUT_PREFIX.
+    ls          Print execution information for all matching runs.
 
 options:
   -h, --help    show this help message and exit
diff --git a/src/con_duct/suite/ls.py b/src/con_duct/suite/ls.py
index f3c9e03..90a2f10 100644
--- a/src/con_duct/suite/ls.py
+++ b/src/con_duct/suite/ls.py
@@ -1,5 +1,6 @@
 import argparse
 from collections import OrderedDict
+import glob
 import json
 import logging
 from typing import Any, Dict, List, Optional
@@ -10,7 +11,7 @@
 except ImportError:
     pyout = None
 import yaml
-from con_duct.__main__ import SummaryFormatter
+from con_duct.__main__ import DUCT_OUTPUT_PREFIX, SummaryFormatter
 
 lgr = logging.getLogger(__name__)
 
@@ -141,6 +142,11 @@ def pyout_ls(run_data_list: List[OrderedDict[str, Any]]) -> None:
 
 
 def ls(args: argparse.Namespace) -> int:
+
+    if not args.paths:
+        pattern = f"{DUCT_OUTPUT_PREFIX[:DUCT_OUTPUT_PREFIX.index('{')]}*"
+        args.paths = [p for p in glob.glob(pattern)]
+
     info_files = [path for path in args.paths if path.endswith("info.json")]
     run_data_raw = load_duct_runs(info_files)
     formatter = SummaryFormatter(enable_colors=args.colors)
diff --git a/src/con_duct/suite/main.py b/src/con_duct/suite/main.py
index 4906513..3b62cee 100644
--- a/src/con_duct/suite/main.py
+++ b/src/con_duct/suite/main.py
@@ -2,7 +2,6 @@
 import os
 import sys
 from typing import List, Optional
-from con_duct.__main__ import DUCT_OUTPUT_PREFIX
 from con_duct.suite.ls import LS_FIELD_CHOICES, ls
 from con_duct.suite.plot import matplotlib_plot
 from con_duct.suite.pprint_json import pprint_json
@@ -51,7 +50,7 @@ def main(argv: Optional[List[str]] = None) -> None:
 
     parser_ls = subparsers.add_parser(
         "ls",
-        help="Print execution information for all runs matching DUCT_OUTPUT_PREFIX.",
+        help="Print execution information for all matching runs.",
     )
     parser_ls.add_argument(
         "-f",
@@ -85,8 +84,8 @@ def main(argv: Optional[List[str]] = None) -> None:
     parser_ls.add_argument(
         "paths",
         nargs="*",
-        default=[f"{DUCT_OUTPUT_PREFIX[:DUCT_OUTPUT_PREFIX.index('{')]}*"],
-        help="Path to duct report files, only `info.json` would be considered.",
+        help="Path to duct report files, only `info.json` would be considered. "
+        "If not provided, the program will glob for files that match DUCT_OUTPUT_PREFIX.",
     )
     parser_ls.set_defaults(func=ls)
 
diff --git a/test/test_suite.py b/test/test_suite.py
index 673a977..1ae3589 100644
--- a/test/test_suite.py
+++ b/test/test_suite.py
@@ -149,6 +149,8 @@ class TestLS(unittest.TestCase):
     def setUp(self) -> None:
         """Create a temporary directory and test files."""
         self.temp_dir = tempfile.TemporaryDirectory()
+        self.old_cwd = os.getcwd()
+        os.chdir(self.temp_dir.name)
         self.files = {
             "file1_info.json": {
                 "schema_version": MINIMUM_SCHEMA_VERSION,
@@ -163,13 +165,20 @@ def setUp(self) -> None:
                 "schema_version": MINIMUM_SCHEMA_VERSION,
                 "prefix": "no_match",
             },
+            ".duct/logs/default_logpath_info.json": {
+                "schema_version": MINIMUM_SCHEMA_VERSION,
+                "prefix": "default_file1",
+            },
         }
         for filename, content in self.files.items():
-            with open(os.path.join(self.temp_dir.name, filename), "w") as f:
+            full_path = os.path.join(self.temp_dir.name, filename)
+            os.makedirs(os.path.dirname(full_path), exist_ok=True)
+            with open(full_path, "w") as f:
                 json.dump(content, f)
 
     def tearDown(self) -> None:
         """Clean up the temporary directory."""
+        os.chdir(self.old_cwd)
         self.temp_dir.cleanup()
 
     def _run_ls(self, paths: list[str], fmt: str) -> str:
@@ -201,6 +210,23 @@ def test_ls_sanity(self) -> None:
         assert len(prefixes) == 1
         assert any("file1" in p for p in prefixes)
 
+    def test_ls_no_pos_args(self) -> None:
+        result = self._run_ls([], "summaries")
+
+        assert "Prefix:" in result
+        prefixes = [
+            line.split(":", 1)[1].strip()
+            for line in result.splitlines()
+            if line.startswith("Prefix:")
+        ]
+        assert len(prefixes) == 1
+        assert any("default_logpath" in p for p in prefixes)
+
+        assert "file1" not in result
+        assert "file2" not in result
+        assert "file3" not in result
+        assert "not_matching.json" not in result
+
     def test_ls_multiple_paths(self) -> None:
         """Basic sanity test to ensure ls() runs without crashing."""
         files_1_and_2 = ["file1_info.json", "file2_info.json"]