diff --git a/package/boost/Config.in b/package/boost/Config.in
index edffd7e351..cffaf6e0e9 100644
--- a/package/boost/Config.in
+++ b/package/boost/Config.in
@@ -67,11 +67,12 @@ config BR2_PACKAGE_BOOST_CONTAINER
 
 # see
 # http://www.boost.org/doc/libs/1_59_0/libs/context/doc/html/context/architectures.html
-# for the list of supported architectures.
+# for the list of supported architectures. Sparc pretends to be
+# supported, but it doesn't build.
 config BR2_PACKAGE_BOOST_CONTEXT
 	bool "boost-context"
 	depends on (BR2_arm || BR2_armeb || BR2_i386 || BR2_mips || BR2_mipsel \
-			|| BR2_powerpc || BR2_sparc || BR2_x86_64)
+			|| BR2_powerpc || BR2_x86_64)
 
 config BR2_PACKAGE_BOOST_COROUTINE
         bool "boost-coroutine"