diff --git a/target/msm7630_surf/init.c b/target/msm7630_surf/init.c
index 675653b..fcae4ca 100644
--- a/target/msm7630_surf/init.c
+++ b/target/msm7630_surf/init.c
@@ -72,7 +72,7 @@
 	},
 	{
 		.start = DIFF_START_ADDR,
-		.length = 150 /* In MB */,
+		.length = 128 /* In MB */,
 		.name = "system",
 	},
 	{