diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 66bfabae88149..011cb7f200d98 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1313,6 +1313,10 @@ config MICROCODE
 	def_bool y
 	depends on CPU_SUP_AMD || CPU_SUP_INTEL
 
+config MICROCODE_INITRD32
+	def_bool y
+	depends on MICROCODE && X86_32 && BLK_DEV_INITRD
+
 config MICROCODE_LATE_LOADING
 	bool "Late microcode loading (DANGEROUS)"
 	default n