diff --git a/arch/arm/mach-rockchip/rv1126/rv1126_make_fit.sh b/arch/arm/mach-rockchip/rv1126/rv1126_make_fit.sh
index 905c05e68b..87fa42b324 100755
--- a/arch/arm/mach-rockchip/rv1126/rv1126_make_fit.sh
+++ b/arch/arm/mach-rockchip/rv1126/rv1126_make_fit.sh
@@ -123,6 +123,7 @@ fi
 cat  << EOF
 			signature {
 				algo = "sha256,rsa2048";
+				padding = "pss";
 				key-name-hint = "dev";
 EOF