diff --git a/hw/isa/Kconfig b/hw/isa/Kconfig
index 55e0003ce4..7216f66a54 100644
--- a/hw/isa/Kconfig
+++ b/hw/isa/Kconfig
@@ -17,6 +17,7 @@ config ISA_SUPERIO
     bool
     select ISA_BUS
     select PCKBD
+    select FDC
 
 config PC87312
     bool