diff --git a/meta-arm-bsp/conf/machine/n1sdp.conf b/meta-arm-bsp/conf/machine/n1sdp.conf
index b0d97f87..7e265ba7 100644
--- a/meta-arm-bsp/conf/machine/n1sdp.conf
+++ b/meta-arm-bsp/conf/machine/n1sdp.conf
@@ -20,6 +20,7 @@ WKS_FILE_DEPENDS:append = " ${EXTRA_IMAGEDEPENDS}"
 # Use kernel provided by yocto
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
 PREFERRED_VERSION_linux-yocto ?= "5.10%"
+PREFERRED_VERSION_linux-yocto-rt ?= "5.10%"
 
 # RTL8168E Gigabit Ethernet Controller is attached to the PCIe interface
 MACHINE_ESSENTIAL_EXTRA_RDEPENDS += "linux-firmware-rtl8168"