diff --git a/src/diverse_seq/cli.py b/src/diverse_seq/cli.py
index 95ad757..4446cf5 100644
--- a/src/diverse_seq/cli.py
+++ b/src/diverse_seq/cli.py
@@ -499,7 +499,7 @@ def ctree(
         dvs_util.print_colour(tree, "red")
         sys.exit(1)
 
-      tree.write(outpath)
+    tree.write(outpath)
 
 
 if __name__ == "__main__":