diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile
index a738345d2e..60fca50fb4 100644
--- a/toolchain/gcc/Makefile
+++ b/toolchain/gcc/Makefile
@@ -115,6 +115,7 @@ define Build/Prepare
 	$(SCRIPT_DIR)/patch-kernel.sh $(PKG_BUILD_DIR) ./patches/$(PKG_VERSION) \*.patch
 	$(SED) 's,\(version_string.. = "[0-9\.]*\).*\(";\),\1 (OpenWrt-2.0)\2,' $(PKG_BUILD_DIR)/gcc/version.c
 	$(SED) 's,\(bug_report_url.. = "\).*\(";\),\1<URL:https://dev.openwrt.org/>\2,' $(PKG_BUILD_DIR)/gcc/version.c
+	(cd $(PKG_BUILD_DIR)/libstdc++-v3; autoconf;);
 endef
 
 define Build/Configure