diff --git a/toolchain/Config.in b/toolchain/Config.in
index b48c69dc41..219578092b 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -580,6 +580,7 @@ config BR2_TOOLCHAIN_HEADERS_LATEST
 # stops affecting a value on the first matching default.
 config BR2_TOOLCHAIN_HEADERS_AT_LEAST
 	string
+	default "5.17" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_17
 	default "5.16" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_16
 	default "5.15" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_15
 	default "5.14" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_14