diff --git a/build.py b/build.py
index 756a382..0929c40 100755
--- a/build.py
+++ b/build.py
@@ -26,7 +26,7 @@ def build(input_file, additional_args=None):
         '-o',
         str(OUTPUT_FILE)
     ])
-    return subprocess.run(build_args, cwd=str(BASE_DIR), check=True)
+    subprocess.check_output(build_args, cwd=str(BASE_DIR))
 
 
 def get_word_count():