diff --git a/auto/lib/openssl/make b/auto/lib/openssl/make
index a6090c6d4..126a23875 100644
--- a/auto/lib/openssl/make
+++ b/auto/lib/openssl/make
@@ -51,7 +51,7 @@ END
 $OPENSSL/.openssl/include/openssl/ssl.h:	$NGX_MAKEFILE
 	cd $OPENSSL \\
 	&& if [ -f Makefile ]; then \$(MAKE) clean; fi \\
-	&& ./config --prefix=$ngx_prefix no-shared $OPENSSL_OPT \\
+	&& ./config --prefix=$ngx_prefix no-shared no-threads $OPENSSL_OPT \\
 	&& \$(MAKE) \\
 	&& \$(MAKE) install_sw LIBDIR=lib