diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index 0d9446c37ae879863a6f5f01b40dbd8fbde6d5b7..498398d915c1d46b6d3c83429bd8bc25c7255b67 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -196,8 +196,8 @@ config TIMER_DIVIDE
 	default "128"
 
 config CPU_BIG_ENDIAN
-        bool "Generate big endian code"
-	default n
+	bool
+	default !CPU_LITTLE_ENDIAN
 
 config CPU_LITTLE_ENDIAN
         bool "Generate little endian code"