diff --git a/configs/warpboard_defconfig b/configs/warpboard_defconfig
index 5b0ed2c703..1655381aa6 100644
--- a/configs/warpboard_defconfig
+++ b/configs/warpboard_defconfig
@@ -28,6 +28,9 @@ BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6sl-warp"
 BR2_PACKAGE_LINUX_FIRMWARE=y
 BR2_PACKAGE_LINUX_FIRMWARE_BRCM_BCM43XX=y
 
+# For automatic firmware loading
+BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV=y
+
 # wireless packages
 BR2_PACKAGE_WIRELESS_TOOLS=y
 BR2_PACKAGE_WPA_SUPPLICANT=y