diff --git a/hw/ppc/Kconfig b/hw/ppc/Kconfig
index c235519881..5addad1124 100644
--- a/hw/ppc/Kconfig
+++ b/hw/ppc/Kconfig
@@ -39,6 +39,7 @@ config POWERNV
     select PCI_POWERNV
     select PCA9552
     select PCA9554
+    select SERIAL_ISA
     select SSI
     select SSI_M25P80
     select PNV_SPI