diff --git a/build-scripts/combine_ovals.py b/build-scripts/combine_ovals.py
index 9f0aff3361fa..077a804a5ad0 100755
--- a/build-scripts/combine_ovals.py
+++ b/build-scripts/combine_ovals.py
@@ -27,34 +27,47 @@
 def parse_args():
     p = argparse.ArgumentParser()
     p.add_argument(
-        "--build-config-yaml", required=True, dest="build_config_yaml",
+        "--build-config-yaml",
+        required=True,
+        dest="build_config_yaml",
         help="YAML file with information about the build configuration. "
-        "e.g.: ~/scap-security-guide/build/build_config.yml"
+        "e.g.: ~/scap-security-guide/build/build_config.yml",
     )
     p.add_argument(
-        "--product-yaml", required=True, dest="product_yaml",
+        "--product-yaml",
+        required=True,
+        dest="product_yaml",
         help="YAML file with information about the product we are building. "
-        "e.g.: ~/scap-security-guide/rhel7/product.yml"
+        "e.g.: ~/scap-security-guide/rhel7/product.yml",
     )
     p.add_argument(
-        "--build-ovals-dir", required=True, dest="build_ovals_dir",
+        "--build-ovals-dir",
+        required=True,
+        dest="build_ovals_dir",
         help="Directory to store intermediate built OVAL files.",
     )
     p.add_argument("--output", type=argparse.FileType("wb"), required=True)
     p.add_argument(
-        "--include-benchmark", action="store_true",
+        "--include-benchmark",
+        action="store_true",
         help="Include OVAL checks from rule directories in the benchmark "
         "directory tree which is specified by product.yml "
-        "in the `benchmark_root` key.")
+        "in the `benchmark_root` key.",
+    )
     p.add_argument(
-        "ovaldirs", metavar="OVAL_DIR", nargs="+",
+        "ovaldirs",
+        metavar="OVAL_DIR",
+        nargs="+",
         help="Shared directory(ies) from which we will collect OVAL "
         "definitions to combine. Order matters, latter directories override "
         "former. If --include-benchmark is provided, these will be "
         "overwritten by OVALs in the rule directory (which in turn preference "
-        "oval/{{{ product }}}.xml over oval/shared.xml for a given rule.")
+        "oval/{{{ product }}}.xml over oval/shared.xml for a given rule.",
+    )
     p.add_argument(
-        "--log", action="store", default="WARNING",
+        "--log",
+        action="store",
+        default="WARNING",
         choices=["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"],
         help="write debug information to the log up to the LOG_LEVEL.",
     )