diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index b98b61b..ef90cbd 100644
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -26,7 +26,7 @@
 struct root_entry;
 
 
-#ifdef CONFIG_DMAR
+#ifdef CONFIG_INTEL_IOMMU
 extern void free_dmar_iommu(struct intel_iommu *iommu);
 extern int iommu_calculate_agaw(struct intel_iommu *iommu);
 extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);