diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 8e5ec5e1ab91f11505ac1a7589bb196ff10e1147..1fafb4b99c9bb30c37e151a2db441e3cc9c5fb5f 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -103,7 +103,8 @@ config HEADERS_CHECK
 
 config DEBUG_SECTION_MISMATCH
 	bool "Enable full Section mismatch analysis"
-	depends on UNDEFINED
+	depends on UNDEFINED || (BLACKFIN)
+	default y
 	# This option is on purpose disabled for now.
 	# It will be enabled when we are down to a reasonable number
 	# of section mismatch warnings (< 10 for an allyesconfig build)