diff --git a/rust/helpers/irq.c b/rust/helpers/irq.c
index 1faca428e2c0..a61fad333866 100644
--- a/rust/helpers/irq.c
+++ b/rust/helpers/irq.c
@@ -2,8 +2,10 @@
 
 #include <linux/interrupt.h>
 
-int rust_helper_request_irq(unsigned int irq, irq_handler_t handler,
-			    unsigned long flags, const char *name, void *dev)
+__rust_helper int rust_helper_request_irq(unsigned int irq,
+					  irq_handler_t handler,
+					  unsigned long flags, const char *name,
+					  void *dev)
 {
 	return request_irq(irq, handler, flags, name, dev);
 }