diff --git a/tools/test-case-generators/generate-test-cases b/tools/test-case-generators/generate-test-cases
index 25e55c9b6..3a26b89fe 100755
--- a/tools/test-case-generators/generate-test-cases
+++ b/tools/test-case-generators/generate-test-cases
@@ -23,6 +23,7 @@ def run_osbuild(manifest, store, output):
             subprocess.run(["osbuild",
                             "--store", store,
                             "--output-directory", output,
+                            "--checkpoint", "build"
                             "-"],
                             stdout=log,
                             stderr=subprocess.STDOUT,