diff --git a/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c b/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c
index d3de6e7f024936ba4001b5a30d8a71173413b37e..cdd969cef793a003ebca75a89a672f960671a26c 100644
--- a/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c
+++ b/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c
@@ -89,6 +89,7 @@ JNIEXPORT jint JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_socketCrea
     rv = setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (char *) &opt, sizeof(opt));
     if (rv == SOCKET_ERROR) {
         NET_ThrowNew(env, WSAGetLastError(), "Socket creation failed");
+        closesocket(fd);
         return -1;
     }