diff --git a/ldm/invoke/args.py b/ldm/invoke/args.py
index b509362644..c72ad61756 100644
--- a/ldm/invoke/args.py
+++ b/ldm/invoke/args.py
@@ -932,7 +932,7 @@ def metadata_dumps(opt,
 
     # remove any image keys not mentioned in RFC #266
     rfc266_img_fields = ['type','postprocessing','sampler','prompt','seed','variations','steps',
-                         'cfg_scale','threshold','perlin','step_number','width','height','extra','strength',
+                         'cfg_scale','threshold','perlin','step_number','width','height','extra','strength','seamless'
                          'init_img','init_mask','facetool','facetool_strength','upscale']
     rfc_dict ={}