diff --git a/qcom/lahaina.dtsi b/qcom/lahaina.dtsi
index 7d92dac72441..0b514204958d 100644
--- a/qcom/lahaina.dtsi
+++ b/qcom/lahaina.dtsi
@@ -4472,6 +4472,7 @@
 			compatible = "qcom,ipa-smmu-wlan-cb";
 			iommus = <&apps_smmu 0x5C1 0x0>;
 			qcom,iommu-dma = "fastmap";
+			dma-coherent;
 		};
 
 		ipa_smmu_uc: ipa_smmu_uc {