diff --git a/test_no_compile.py b/test_no_compile.py
index c325ef1..1fa0bf0 100644
--- a/test_no_compile.py
+++ b/test_no_compile.py
@@ -10,4 +10,4 @@ if __name__ == "__main__":
     snippets_dir = Path(SNIPPETS_DIR)
     for snippet in snippets_dir.rglob("tpl_*.tex"):
         print(snippet)
-        os.system(f"bopytex -n {snippet}")
+        assert os.system(f"bopytex -n {snippet}") == 0