diff --git a/benchmarks/mtd/Kconfig b/benchmarks/mtd/Kconfig
index f5ceadfe0..717bd5b20 100644
--- a/benchmarks/mtd/Kconfig
+++ b/benchmarks/mtd/Kconfig
@@ -7,6 +7,7 @@ config BENCHMARK_MTD
 	tristate "MTD test and transfer rate benchmark"
 	default n
 	depends on BUILD_FLAT && MTD
+	select LIBC_FLOATINGPOINT
 	---help---
 		This testing/benchmark application performs an erase/write
 		operation to evaluate write transfer rate and then reads the