diff --git a/src/winziprint.py b/src/winziprint.py
index c4cf180..994ae9e 100755
--- a/src/winziprint.py
+++ b/src/winziprint.py
@@ -16,7 +16,7 @@ import weasyprint
 import pypdf
 
 
-VERSION = __version__ = '0.2.8'
+VERSION = __version__ = '0.2.9'
 SOCKET_ADDRESS = ('127.0.0.1', 30983)
 
 BATCH_SIZE = 10
@@ -73,8 +73,12 @@ def convert(input_files: list[str],
         for n, file_name in enumerate(input_files):
             p0 = len(merger.pages)
             if letterhead and file_name.startswith('#'):
-                merger.insert_page(letterhead[0], index=letterhead[1])
-                merger.insert_blank_page(index=letterhead[1] + 1)
+                if len(merger.pages) <= letterhead[1]:
+                    merger.add_page(letterhead[0])
+                    merger.add_blank_page()
+                else:
+                    merger.insert_page(letterhead[0], index=letterhead[1])
+                    merger.insert_blank_page(index=letterhead[1] + 1)
                 page_nums[letterhead[2]] = 1
                 letterhead = None
             if file_name.endswith('.pdf'):