diff --git a/tests/bench.py b/tests/bench.py
index e586dec..00cfce5 100644
--- a/tests/bench.py
+++ b/tests/bench.py
@@ -11,7 +11,7 @@
 CHUNK_SIZE = 512
 # END CONFIG #
 
-def bench() -> dict[str, float]:    
+def bench() -> dict[str, float]:
     # Initialise the chunkers.
     semchunk_chunker = semchunk.chunkerify(tiktoken.encoding_for_model('gpt-4'), CHUNK_SIZE)
     sts_chunker = TextSplitter.from_tiktoken_model('gpt-4', CHUNK_SIZE)
@@ -21,7 +21,7 @@ def bench_semchunk(texts: list[str]) -> None:
         semchunk_chunker(texts)
 
     def bench_sts(texts: list[str]) -> None:
-        [sts_chunker.chunks(text) for text in texts]
+        sts_chunker.chunk_all(texts)
 
     libraries = {
         'semchunk': bench_semchunk,
@@ -31,22 +31,23 @@ def bench_sts(texts: list[str]) -> None:
     # Download the Gutenberg corpus.
     try:
         gutenberg = nltk.corpus.gutenberg
-    
+
     except Exception:
         nltk.download('gutenberg')
         gutenberg = nltk.corpus.gutenberg
-    
+
     # Benchmark the libraries.
-    benchmarks = dict.fromkeys(libraries.keys(), 0)
+    benchmarks = dict.fromkeys(libraries.keys(), 0.0)
     texts = [gutenberg.raw(fileid) for fileid in gutenberg.fileids()]
-    
+
     for library, function in libraries.items():
         start = time.time()
         function(texts)
         benchmarks[library] = time.time() - start
-    
+
     return benchmarks
 
 if __name__ == '__main__':
+    nltk.download('gutenberg')
     for library, time_taken in bench().items():
-        print(f'{library}: {time_taken:.2f}s')
\ No newline at end of file
+        print(f'{library}: {time_taken:.2f}s')