--- ufraw-0.22/ufraw_ufraw.c	2015-06-16 04:58:38.000000000 +0100

+++ ufraw-0.22.new/ufraw_ufraw.c	2016-12-18 00:55:45.794466747 +0000

@@ -767,8 +767,10 @@ void ufraw_close(ufraw_data *uf)

     g_free(uf->displayProfile);

     g_free(uf->RawHistogram);

 #ifdef HAVE_LENSFUN

-    lf_modifier_destroy(uf->TCAmodifier);

-    lf_modifier_destroy(uf->modifier);

+    if (uf->TCAmodifier != NULL)

+        lf_modifier_destroy(uf->TCAmodifier);

+    if (uf->modifier != NULL)

+        lf_modifier_destroy(uf->modifier);

 #endif

     ufobject_delete(uf->conf->ufobject);

     g_free(uf->conf);