diff --git a/qcom/sdxlemur.dtsi b/qcom/sdxlemur.dtsi
index 99678ce50275..2f8710fd492c 100644
--- a/qcom/sdxlemur.dtsi
+++ b/qcom/sdxlemur.dtsi
@@ -58,7 +58,7 @@
 			alloc-ranges = <0x00000000 0xffffffff>;
 			reusable;
 			alignment = <0x400000>;
-			size = <0x1400000>;
+			size = <0x400000>;
 		};
 
 		qseecom_ta_mem: qseecom_ta_region {