diff --git a/rust/helpers/processor.c b/rust/helpers/processor.c
index d41355e14d6e..76fadbb647c5 100644
--- a/rust/helpers/processor.c
+++ b/rust/helpers/processor.c
@@ -2,7 +2,7 @@
 
 #include <linux/processor.h>
 
-void rust_helper_cpu_relax(void)
+__rust_helper void rust_helper_cpu_relax(void)
 {
 	cpu_relax();
 }