diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index f46a1b50ddee..2ae5d72f47ed 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -121,6 +121,9 @@ config 32BIT
 	bool
 	default y if !64BIT
 
+config KTIME_SCALAR
+	def_bool 32BIT
+
 config SMP
 	bool "Symmetric multi-processing support"
 	---help---