diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index b7ff9a318c31c3f849c5a2223582132ebde83f72..bf9e9d3b379218b74aa2bf6506d62f7978f71abd 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -76,6 +76,10 @@ config GENERIC_ISA_DMA
 	bool
 	default y
 
+config PGTABLE_LEVELS
+	int
+	default 3
+
 source "init/Kconfig"
 source "kernel/Kconfig.freezer"