diff --git a/hw/timer/Kconfig b/hw/timer/Kconfig
index a990f9fe35..59b3f44d69 100644
--- a/hw/timer/Kconfig
+++ b/hw/timer/Kconfig
@@ -15,6 +15,7 @@ config HPET
 
 config I8254
     bool
+    depends on ISA_BUS
 
 config ALTERA_TIMER
     bool