--- libhpack/CMakeLists.txt.orig	2014-07-09 21:59:50 UTC
+++ libhpack/CMakeLists.txt
@@ -27,7 +27,7 @@ set_target_properties (
 add_custom_command (
     OUTPUT  ${CMAKE_CURRENT_SOURCE_DIR}/huffman_tables.c
     COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/huffman-gen.py
-    ARGS    -v -o ${CMAKE_CURRENT_SOURCE_DIR}/huffman_tables.c
+    ARGS    -v -i draft-ietf-httpbis-header-compression.xml -o ${CMAKE_CURRENT_SOURCE_DIR}/huffman_tables.c
     COMMENT "Generating the huffman_tables.c file..."
 )
 
