diff --git a/package/luajit/Config.in b/package/luajit/Config.in
index 5417c3f0bd..3111a2548f 100644
--- a/package/luajit/Config.in
+++ b/package/luajit/Config.in
@@ -1,13 +1,15 @@
 config BR2_PACKAGE_LUAJIT_ARCH_SUPPORTS
 	bool
 	default y if BR2_arm || BR2_armeb || BR2_aarch64
-	default y if BR2_i386 || (BR2_x86_64 && BR2_HOSTARCH='x86_64')
+	default y if BR2_i386 || BR2_x86_64
 	default y if (BR2_mips || BR2_mipsel) && !BR2_MIPS_SOFT_FLOAT \
 		&& !BR2_MIPS_CPU_MIPS32R6 && !BR2_MIPS_CPU_MIPS64R6
 	default y if BR2_powerpc
 	# -m32 flag is used for 32bit builds and host-luajit has
 	# limited architecture support
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
+	# Building for 64-bit target requires a 64-bit host
+	depends on !BR2_ARCH_IS_64 || BR2_HOSTARCH = "x86_64"
 
 config BR2_PACKAGE_LUAJIT
 	bool "luajit"