diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 9d5904c..8696c03 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -23,6 +23,7 @@
 	select HAVE_MOD_ARCH_SPECIFIC
 	select MODULES_USE_ELF_RELA
 	select GENERIC_SIGALTSTACK
+	select ODD_RT_SIGACTION
 	help
 	  The Alpha is a 64-bit general-purpose processor designed and
 	  marketed by the Digital Equipment Corporation of blessed memory,