diff --git a/scripts/minimize_vmray_results.py b/scripts/minimize_vmray_results.py
index e36688bb..15ab81c2 100644
--- a/scripts/minimize_vmray_results.py
+++ b/scripts/minimize_vmray_results.py
@@ -44,6 +44,7 @@ def main(argv=None):
     sv2_json = vmra.zipfile.read("logs/summary_v2.json", pwd=DEFAULT_ARCHIVE_PASSWORD)
     flog_xml = vmra.zipfile.read("logs/flog.xml", pwd=DEFAULT_ARCHIVE_PASSWORD)
     sample_file_buf = vmra.sample_file_buf
+    assert vmra.sample_file_analysis is not None
     sample_sha256: str = vmra.sample_file_analysis.hash_values.sha256.lower()
 
     new_zip_name = f"{analysis_archive.parent / analysis_archive.stem}_min.zip"