diff --git a/arch/arm/src/rp2040/rp2040_pio.c b/arch/arm/src/rp2040/rp2040_pio.c
index 9f87faafbe..ee4c6e45cd 100644
--- a/arch/arm/src/rp2040/rp2040_pio.c
+++ b/arch/arm/src/rp2040/rp2040_pio.c
@@ -59,8 +59,8 @@
 #define hw_claim_lock()         spin_lock_irqsave(&pio_lock)
 #define hw_claim_unlock(save)   spin_unlock_irqrestore(&pio_lock, save)
 #else
-#define hw_claim_lock()         spin_lock_irqsave(NULL)
-#define hw_claim_unlock(save)   spin_unlock_irqrestore(NULL, save)
+#define hw_claim_lock()         up_irq_save()
+#define hw_claim_unlock(save)   up_irq_restore(save)
 #endif
 
 /****************************************************************************