diff --git a/sys-auth/oath-toolkit/oath-toolkit-2.6.9.ebuild b/sys-auth/oath-toolkit/oath-toolkit-2.6.9.ebuild
index 0c5a5e61881e8..e9692ae5d12da 100644
--- a/sys-auth/oath-toolkit/oath-toolkit-2.6.9.ebuild
+++ b/sys-auth/oath-toolkit/oath-toolkit-2.6.9.ebuild
@@ -33,6 +33,7 @@ QA_CONFIG_IMPL_DECL_SKIP=(
 
 src_configure() {
 	local myeconfargs=(
+		--cache-file="${S}"/config.cache
 		--enable-pskc
 		$(use_enable test xmltest)
 		$(use_enable pam)