diff --git a/include/u-boot.mk b/include/u-boot.mk
index babb76497a..26e1685b8e 100644
--- a/include/u-boot.mk
+++ b/include/u-boot.mk
@@ -42,7 +42,7 @@ TARGET_DEP = TARGET_$(BUILD_TARGET)$(if $(BUILD_SUBTARGET),_$(BUILD_SUBTARGET))
 
 UBOOT_MAKE_FLAGS = \
 	HOSTCC="$(HOSTCC)" \
-	HOSTCFLAGS="$(HOST_CFLAGS) $(HOST_CPPFLAGS)" \
+	HOSTCFLAGS="$(HOST_CFLAGS) $(HOST_CPPFLAGS) -std=gnu11" \
 	HOSTLDFLAGS="$(HOST_LDFLAGS)"
 
 define Build/U-Boot/Target