diff --git a/build.sh b/build.sh
index 69e703cb..efe4d741 100755
--- a/build.sh
+++ b/build.sh
@@ -600,9 +600,10 @@ if [ "$OMR_KERNEL" = "5.15" ]; then
 	echo "Done"
 	echo "Set to kernel 5.15 for rockchip arch (R2S/R4S)"
 	find target/linux/rockchip -type f -name Makefile -exec sed -i 's%KERNEL_PATCHVER=5.4%KERNEL_PATCHVER:=5.15%g' {} \;
+	find target/linux/rockchip -type f -name Makefile -exec sed -i 's%KERNEL_PATCHVER=5.10%KERNEL_PATCHVER:=5.15%g' {} \;
 	echo "Done"
 	echo "Set to kernel 5.15 for ramips"
-	find target/linux/ramips -type f -name Makefile -exec sed -i 's%KERNEL_PATCHVER:=5.4%KERNEL_PATCHVER:=5.15%g' {} \;
+	find target/linux/ramips -type f -name Makefile -exec sed -i 's%KERNEL_PATCHVER:=5.10%KERNEL_PATCHVER:=5.15%g' {} \;
 	echo "Done"
 	echo "Set to kernel 5.15 for ipq806x"
 	find target/linux/ipq806x -type f -name Makefile -exec sed -i 's%KERNEL_PATCHVER:=5.10%KERNEL_PATCHVER:=5.15%g' {} \;