diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig
index 4362164962..58ca8f246d 100644
--- a/hw/i386/Kconfig
+++ b/hw/i386/Kconfig
@@ -32,7 +32,7 @@ config PC
     imply VGA_PCI
     imply VIRTIO_VGA
     imply NVDIMM
-    select FDC_ISA
+    imply FDC_ISA
     select I8259
     select I8254
     select PCKBD
@@ -72,6 +72,7 @@ config I440FX
     imply VMPORT
     imply VMMOUSE
     select ACPI_PIIX4
+    select FDC_ISA
     select PC_PCI
     select PC_ACPI
     select PCI_I440FX
@@ -87,6 +88,7 @@ config ISAPC
     depends on I386
     imply VGA_ISA
     select ISA_BUS
+    select FDC_ISA
     select PC
     select IDE_ISA
     # FIXME: it is in the same file as i440fx, and does not compile