1 files changed, 1 insertions, 1 deletions

diff --git a/presentty/rst.py b/presentty/rst.py
index 41b3f97..e96ff21 100644
--- a/presentty/rst.py
+++ b/presentty/rst.py
@@ -460,7 +460,7 @@ def main():
 
     argp = argparse.ArgumentParser(description='Test RST parser')
     argp.add_argument('file', help='presentation file (RST)')
-    argp.add_argument('slides', nargs='?', default=[],
+    argp.add_argument('slides', nargs='*', default=[],
                       help='slides to render')
     argp.add_argument('--render', action='store_true',
                       help='Fully render a slide')