diff --git a/auto/lib/openssl/conf b/auto/lib/openssl/conf
index faebd8fa4..046317f8a 100644
--- a/auto/lib/openssl/conf
+++ b/auto/lib/openssl/conf
@@ -149,7 +149,7 @@ if [ $USE_OPENSSL_QUIC = YES ]; then
     ngx_feature_run=no
     ngx_feature_incs="#include <openssl/ssl.h>"
     ngx_feature_path=
-    ngx_feature_libs="-lssl -lcrypto $NGX_LIBDL"
+    ngx_feature_libs="-lssl -lcrypto $NGX_LIBDL $NGX_LIBPTHREAD"
     ngx_feature_test="SSL_CTX_set_quic_method(NULL, NULL)"
     . auto/feature