diff --git a/meta/recipes-bsp/u-boot/u-boot.inc b/meta/recipes-bsp/u-boot/u-boot.inc
index 3e2f5aa1a5f..00a12f1bb91 100644
--- a/meta/recipes-bsp/u-boot/u-boot.inc
+++ b/meta/recipes-bsp/u-boot/u-boot.inc
@@ -3,6 +3,10 @@ PROVIDES = "virtual/bootloader"
 
 PACKAGE_ARCH = "${MACHINE_ARCH}"
 
+# u-boot is best built with gcc
+# https://docs.u-boot-project.org/en/latest/build/clang.html
+TOOLCHAIN = "gcc"
+
 DEPENDS += "${@bb.utils.contains('UBOOT_ENV_SUFFIX', 'scr', 'u-boot-mkimage-native', '', d)}"
 DEPENDS += "${@ 'u-boot-mkenvimage-native' if bb.utils.to_boolean(d.getVar('UBOOT_INITIAL_ENV_BINARY')) else ''}"