diff --git a/qcom/sun.dtsi b/qcom/sun.dtsi
index aa25676f..f34d12b7 100644
--- a/qcom/sun.dtsi
+++ b/qcom/sun.dtsi
@@ -3568,7 +3568,7 @@
 
 	cnss_audio_iommu_group0: cnss_audio_iommu_group0 {
 		qcom,iommu-msi-size = <0x1000>;
-		qcom,iommu-geometry = <0x88000000 0x28010000>;
+		qcom,iommu-geometry = <0x18000000 0x98010000>;
 		qcom,iommu-dma = "fastmap";
 		qcom,iommu-pagetable = "coherent";
 		qcom,iommu-faults = "stall-disable", "HUPCF", "non-fatal";