diff --git a/ldm/dream/args.py b/ldm/dream/args.py
index 7a41094ded..375509251b 100644
--- a/ldm/dream/args.py
+++ b/ldm/dream/args.py
@@ -185,6 +185,7 @@ class Args(object):
         switches.append(f'-W {a["width"]}')
         switches.append(f'-H {a["height"]}')
         switches.append(f'-C {a["cfg_scale"]}')
+        switches.append(f'--fnformat {a["fnformat"]}')
         if a['perlin'] > 0:
             switches.append(f'--perlin {a["perlin"]}')
         if a['threshold'] > 0:
@@ -559,6 +560,12 @@ class Args(object):
             type=float,
             help='Perlin noise scale (0.0 - 1.0) - add perlin noise to the initialization instead of the usual gaussian noise.',
         )
+        render_group.add_argument(
+            '--fnformat',
+            default='%(prefix)s.%(seed)s.png',
+            type=str,
+            help='Specify the template of the generated files names.',
+        )
         render_group.add_argument(
             '--grid',
             '-g',
@@ -757,7 +764,7 @@ 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','fnformat','step_number','width','height','extra','strength']
 
     rfc_dict ={}
 
diff --git a/scripts/dream.py b/scripts/dream.py
index cd0d7c33b4..365667484b 100644
--- a/scripts/dream.py
+++ b/scripts/dream.py
@@ -458,7 +458,23 @@ def prepare_image_metadata(
     if postprocessed and opt.save_original:
         filename = choose_postprocess_name(opt,prefix,seed)
     else:
-        filename = f'{prefix}.{seed}.png'
+        filename = opt.fnformat % {
+            'prefix': prefix,
+            'seed': seed,
+            'steps': opt.steps,
+            'prompt': opt.prompt,
+            'width': opt.width,
+            'height': opt.height,
+            'cfg_scale': opt.cfg_scale,
+            'perlin': opt.perlin,
+            'threshold': opt.threshold,
+            'gfpgan_strength': opt.gfpgan_strength,
+            'outcrop': opt.outcrop,
+            'upscale': opt.upscale,
+            'embiggen': opt.embiggen,
+            'embiggen_tiles': opt.embiggen_tiles,
+            'out_direction': opt.out_direction
+        } 
 
     if opt.variation_amount > 0:
         first_seed             = first_seed or seed