diff --git a/include/soc/rockchip/rockchip_iommu.h b/include/soc/rockchip/rockchip_iommu.h
index 28af038a8e9b..191a2fda8f1a 100644
--- a/include/soc/rockchip/rockchip_iommu.h
+++ b/include/soc/rockchip/rockchip_iommu.h
@@ -7,7 +7,7 @@
 
 struct device;
 
-#if IS_ENABLED(CONFIG_ROCKCHIP_IOMMU)
+#if IS_REACHABLE(CONFIG_ROCKCHIP_IOMMU)
 int rockchip_iommu_enable(struct device *dev);
 int rockchip_iommu_disable(struct device *dev);
 int rockchip_pagefault_done(struct device *master_dev);