diff --git a/benchmarks/cachespeed/Kconfig b/benchmarks/cachespeed/Kconfig
index ec8481542..0b6f8fc78 100644
--- a/benchmarks/cachespeed/Kconfig
+++ b/benchmarks/cachespeed/Kconfig
@@ -4,7 +4,7 @@
 #
 
 config BENCHMARK_CACHESPEED
-	bool "CACHE Speed Test"
+	tristate "CACHE Speed Test"
 	depends on ARCH_ICACHE && ARCH_DCACHE
 	default n
 	---help---
diff --git a/benchmarks/coremark-pro/Kconfig b/benchmarks/coremark-pro/Kconfig
index 1b5cb8719..a4027787f 100644
--- a/benchmarks/coremark-pro/Kconfig
+++ b/benchmarks/coremark-pro/Kconfig
@@ -4,7 +4,7 @@
 #
 
 menuconfig BENCHMARK_COREMARK_PRO
-	bool "Coremark Pro Benchmark"
+	tristate "Coremark Pro Benchmark"
 	default n
 	depends on LIBC_FLOATINGPOINT
 
diff --git a/benchmarks/coremark/Kconfig b/benchmarks/coremark/Kconfig
index 3e148642d..206be8eca 100644
--- a/benchmarks/coremark/Kconfig
+++ b/benchmarks/coremark/Kconfig
@@ -4,7 +4,7 @@
 #
 
 menuconfig BENCHMARK_COREMARK
-	bool "CoreMark Benchmark"
+	tristate "CoreMark Benchmark"
 	select LIBC_FLOATINGPOINT
 	default n
 	---help---