diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile
index 161c7894a5..3b31127b4a 100644
--- a/toolchain/gcc/Makefile
+++ b/toolchain/gcc/Makefile
@@ -260,6 +260,7 @@ define Host/Prepare
 	$(call Host/Prepare/Default)
 	ln -snf $(GCC_DIR) $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
 	$(CP) $(SCRIPT_DIR)/config.{guess,sub} $(HOST_BUILD_DIR)/
+	$(SED) 's,^MULTILIB_OSDIRNAMES,# MULTILIB_OSDIRNAMES,' $(HOST_BUILD_DIR)/gcc/config/*/t-*
 	$(SED) 's,\(version_string.. = "[0-9\.]*\).*\(";\),\1 (OpenWrt-2.0)\2,' $(HOST_BUILD_DIR)/gcc/version.c
 	$(SED) 's,\(bug_report_url.. = "\).*\(";\),\1<URL:$(BUGURL)>\2,' $(HOST_BUILD_DIR)/gcc/version.c
 	$(SED) 's,http://gcc.gnu.org/bugs.html,$(BUGURL),' $(HOST_BUILD_DIR)/gcc/configure