diff --git a/src/lv_misc/lv_misc.mk b/src/lv_misc/lv_misc.mk
index 52ffe89040..41e4720f07 100644
--- a/src/lv_misc/lv_misc.mk
+++ b/src/lv_misc/lv_misc.mk
@@ -11,6 +11,7 @@ CSRCS += lv_math.c
 CSRCS += lv_log.c
 CSRCS += lv_gc.c
 CSRCS += lv_utils.c
+CSRCS += lv_async.c
 
 DEPPATH += --dep-path $(LVGL_DIR)/lvgl/src/lv_misc
 VPATH += :$(LVGL_DIR)/lvgl/src/lv_misc