diff --git a/firmware/SOURCES b/firmware/SOURCES
index 975e2b8688..36f5070413 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -504,6 +504,7 @@ target/sh/archos/fm_v2/usb-fm_v2.c
 
 #if defined(ARCHOS_ONDIOFM) || defined(ARCHOS_ONDIOSP)
 #ifndef SIMULATOR
+target/sh/archos/timer-archos.c
 target/sh/archos/lcd-archos-bitmap.c
 target/sh/archos/lcd-as-archos-bitmap.S
 target/sh/archos/ondio/button-ondio.c