diff --git a/lib/lwres/context.c b/lib/lwres/context.c
index 2bbee1336e..65ecbaebf8 100644
--- a/lib/lwres/context.c
+++ b/lib/lwres/context.c
@@ -92,6 +92,11 @@ lwres_context_destroy(lwres_context_t **contextp)
 	ctx = *contextp;
 	*contextp = NULL;
 
+	if (ctx->sock != -1) {
+		close(ctx->sock);
+		ctx->sock = -1;
+	}
+
 	CTXFREE(ctx, sizeof(lwres_context_t));
 }