1 files changed, 1 insertions, 0 deletions
diff --git a/board/cr50/build.mk b/board/cr50/build.mk
index 5b0d788401..b84f2dc65f 100644
--- a/board/cr50/build.mk
+++ b/board/cr50/build.mk
@@ -43,6 +43,7 @@ board-y =  board.o
 board-y += ap_state.o
 board-y += closed_source_set1.o
 board-y += ec_state.o
+board-y += int_ap_extension.o
 board-y += power_button.o
 board-y += servo_state.o
 board-y += ap_uart_state.o