diff --git a/CMakeLists.txt b/CMakeLists.txt
index a2523f1..6bbbf1f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,7 @@ pico_sdk_init()
 
 # Add executable. Default name is the project name, version 0.1
 
-add_executable(gbmanager gbmanager.cpp )
+add_executable(gbmanager gbmanager.cpp lcd.cpp)
 
 pico_set_program_name(gbmanager "gbmanager")
 pico_set_program_version(gbmanager "0.1")
@@ -31,9 +31,9 @@ pico_enable_stdio_usb(gbmanager 0)
 target_link_libraries(gbmanager pico_stdlib)
 
 # Add any user requested libraries
-#target_link_libraries(gbmanager
-#    hardware_i2c
-#)
+target_link_libraries(gbmanager
+    hardware_i2c
+)
 
 pico_add_extra_outputs(gbmanager)