diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 224fbff7996970730bf449ad1d157158deadad54..4dc9b2d14b924613ad46dfb2d0e088639db5dad4 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -119,7 +119,7 @@ config SYSVIPC_COMPAT
 	default y
 
 config BINFMT_ELF32
-	tristate "Kernel support for 31 bit ELF binaries"
+	bool "Kernel support for 31 bit ELF binaries"
 	depends on COMPAT
 	help
 	  This allows you to run 32-bit Linux/ELF binaries on your zSeries
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index a7a111db25b2c43daeb8b7847f92858b9e2e92fd..8a36ba8868dba1cd8dd4019c83d827865327786f 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -334,7 +334,7 @@ config COMPAT
 	default y
 
 config BINFMT_ELF32
-	tristate "Kernel support for 32-bit ELF binaries"
+	bool "Kernel support for 32-bit ELF binaries"
 	depends on SPARC32_COMPAT
 	help
 	  This allows you to run 32-bit Linux/ELF binaries on your Ultra.