diff --git a/qcom/lagoon.dtsi b/qcom/lagoon.dtsi
index ab4f9da274..ed23310be1 100644
--- a/qcom/lagoon.dtsi
+++ b/qcom/lagoon.dtsi
@@ -488,7 +488,7 @@
 			alloc-ranges = <0 0x00000000 0 0xffffffff>;
 			reusable;
 			alignment = <0 0x400000>;
-			size = <0 0x800000>;
+			size = <0 0x1000000>;
 		};
 
 		/* global autoconfigured region for contiguous allocations */