diff --git a/lib/wp/metadata.c b/lib/wp/metadata.c
index aff7567a..fc1dd7bb 100644
--- a/lib/wp/metadata.c
+++ b/lib/wp/metadata.c
@@ -472,6 +472,7 @@ wp_metadata_find (WpMetadata * self, guint32 subject, const gchar * key,
     if (g_strcmp0 (k, key) == 0) {
       if (type)
         *type = t;
+      g_value_unset (&val);
       return v;
     }
   }