diff --git a/python/lsst/ctrl/mpexec/cli/cmd/commands.py b/python/lsst/ctrl/mpexec/cli/cmd/commands.py
index 0f648a7c..7767310a 100644
--- a/python/lsst/ctrl/mpexec/cli/cmd/commands.py
+++ b/python/lsst/ctrl/mpexec/cli/cmd/commands.py
@@ -340,7 +340,7 @@ def update_graph_run(
 
 @click.command(cls=PipetaskCommand)
 @repo_argument()
-@click.argument()
+@click.argument("qgraphs", nargs=-1)
 @click.option("--collections", default=None, help="Collections to resolve duplicate datasets in.")
 @click.option("--where", default="", help="where")
 @click.option("--full-output-filename", default="", help="Output report as a yaml file with this name.")
@@ -389,4 +389,5 @@ def report(
             repo, qgraphs, collections, where, full_output_filename, logs, show_errors, curse_failed_logs
         )
     else:
-        script.report(repo, qgraphs, full_output_filename, logs, show_errors)
+        assert(len(qgraphs) == 1, "Cannot make a report without a quantum graph.")
+        script.report(repo, qgraphs[0], full_output_filename, logs, show_errors)
diff --git a/python/lsst/ctrl/mpexec/cli/script/__init__.py b/python/lsst/ctrl/mpexec/cli/script/__init__.py
index 10767d14..dc14543e 100644
--- a/python/lsst/ctrl/mpexec/cli/script/__init__.py
+++ b/python/lsst/ctrl/mpexec/cli/script/__init__.py
@@ -31,7 +31,7 @@
 from .pre_exec_init_qbb import pre_exec_init_qbb
 from .purge import PurgeResult, purge
 from .qgraph import qgraph
-from .report import report
+from .report import report, report_v2
 from .run import run
 from .run_qbb import run_qbb
 from .update_graph_run import update_graph_run
diff --git a/python/lsst/ctrl/mpexec/cli/script/report.py b/python/lsst/ctrl/mpexec/cli/script/report.py
index 9e2c0675..9ada10d6 100644
--- a/python/lsst/ctrl/mpexec/cli/script/report.py
+++ b/python/lsst/ctrl/mpexec/cli/script/report.py
@@ -143,7 +143,7 @@ def report_v2(
     qpg.resolve_duplicates(butler, collections=collections, where=where, curse_failed_logs=curse_failed_logs)
     summary = qpg.to_summary(butler, do_store_logs=logs)
     summary_dict = summary.model_dump()
-    if full_output_filename is not None:
+    if full_output_filename:
         with open(full_output_filename, "w") as stream:
             yaml.safe_dump(summary_dict, stream)
     elif not full_output_filename: