--- a/dav/tags.c Fri Jun 01 09:23:51 2018 +0200 +++ b/dav/tags.c Fri Jun 01 19:05:08 2018 +0200 @@ -44,7 +44,9 @@ void free_dav_tag(DavTag* tag) { free(tag->name); - free(tag->color); + if(tag->color) { + free(tag->color); + } free(tag); }