diff --git a/toolchain/Config.in b/toolchain/Config.in
index ff1391beda..f3f9bbe641 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -81,6 +81,12 @@ config BR2_TOOLCHAIN_HAS_BINUTILS_BUG_19615
 config BR2_TOOLCHAIN_HAS_BINUTILS_BUG_20006
 	bool
 
+# https://sourceware.org/bugzilla/show_bug.cgi?id=21464
+# Affect toolchains built with binutils 2.31.1, still not fixed.
+config BR2_TOOLCHAIN_HAS_BINUTILS_BUG_21464
+	bool
+	default y if BR2_or1k
+
 # Atomic types can be:
 #  - never lock-free
 #  - sometimes lock-free