diff --git a/CMakeLists.txt b/CMakeLists.txt
index 22e823a..4f0823c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,7 @@ set(SRCS
     src/log.c
     src/memory.c
     src/syscall/keyboard.c
+    src/syscall/bfile.c
 )
 
 find_package(SDL2 REQUIRED)