diff --git a/sys/SConscript b/sys/SConscript
index e586129..6a95684 100644
--- a/sys/SConscript
+++ b/sys/SConscript
@@ -51,6 +51,8 @@ src_common = [
     "kern/nic.c",
     "kern/palloc.c",
     "kern/printf.c",
+    "kern/process.c",
+    "kern/sched.c",
     "kern/semaphore.c",
     "kern/sga.c",
     "kern/slab.c",