[util] Fix leaks
diff --git a/util/options.cc b/util/options.cc
index 3a9496b..d2a3846 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -178,7 +178,7 @@
 	       GError    **error G_GNUC_UNUSED)
 {
   shape_options_t *shape_opts = (shape_options_t *) data;
-  g_free (shape_opts->shapers);
+  g_strfreev (shape_opts->shapers);
   shape_opts->shapers = g_strsplit (arg, ",", 0);
   return true;
 }