diff --git a/src/lib/thread.c b/src/lib/thread.c
index a0d4311..944c75e 100644
--- a/src/lib/thread.c
+++ b/src/lib/thread.c
@@ -143,7 +143,7 @@
 	schedule(NULL);
 }
 
-static void asmlinkage call_wrapper(void *unused)
+static asmlinkage void call_wrapper(void *unused)
 {
 	struct thread *current = current_thread();
 	enum cb_err error;
@@ -159,7 +159,7 @@
 };
 
 /* Block the provided state until thread is complete. */
-static void asmlinkage call_wrapper_block_state(void *arg)
+static asmlinkage void call_wrapper_block_state(void *arg)
 {
 	struct block_boot_state *bbs = arg;
 	struct thread *current = current_thread();