diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6482cd5..f9b84ad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,5 +2,5 @@ cmake_minimum_required(VERSION 3.5)
 project(zero-epwing)
 include_directories(eb)
 link_directories(eb/eb/.libs)
-add_executable(zero-epwing main.c)
+add_executable(zero-epwing main.c util.c convert.c)
 target_link_libraries(zero-epwing libeb.a libz.a)