diff --git a/VERSION b/VERSION
index 1545d966..d5c0c991 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.5.0
+3.5.1
diff --git a/opendm/osfm.py b/opendm/osfm.py
index 7a3f2e03..0d49e1e4 100644
--- a/opendm/osfm.py
+++ b/opendm/osfm.py
@@ -793,3 +793,12 @@ def get_all_submodel_paths(submodels_path, *all_paths):
                 result.append([os.path.join(submodels_path, f, ap) for ap in all_paths])
 
     return result
+
+def is_submodel(opensfm_root):
+    # A bit hackish, but works without introducing additional markers / flags
+    # Look at the path of the opensfm directory and see if "submodel_" is part of it
+    parts = os.path.abspath(opensfm_root).split(os.path.sep)
+
+    return (len(parts) >= 2 and parts[-2][:9] == "submodel_") or \
+           os.path.isfile(os.path.join(opensfm_root, "split_merge_stop_at_reconstruction.txt")) or \
+           os.path.isfile(os.path.join(opensfm_root, "features", "empty"))
\ No newline at end of file
diff --git a/stages/odm_orthophoto.py b/stages/odm_orthophoto.py
index cf362bb3..e66d89db 100644
--- a/stages/odm_orthophoto.py
+++ b/stages/odm_orthophoto.py
@@ -7,6 +7,7 @@ from opendm import context
 from opendm import types
 from opendm import gsd
 from opendm import orthophoto
+from opendm.osfm import is_submodel
 from opendm.concurrency import get_max_memory_mb
 from opendm.cutline import compute_cutline
 from opendm.utils import double_quote
@@ -114,6 +115,7 @@ class ODMOrthoPhotoStage(types.ODM_Stage):
                     
                 # Cutline computation, before cropping
                 # We want to use the full orthophoto, not the cropped one.
+                submodel_run = is_submodel(tree.opensfm)
                 if args.orthophoto_cutline:
                     cutline_file = os.path.join(tree.odm_orthophoto, "cutline.gpkg")
 
@@ -122,15 +124,18 @@ class ODMOrthoPhotoStage(types.ODM_Stage):
                                     cutline_file,
                                     args.max_concurrency,
                                     scale=0.25)
-
-                    orthophoto.compute_mask_raster(tree.odm_orthophoto_tif, cutline_file, 
-                                           os.path.join(tree.odm_orthophoto, "odm_orthophoto_cut.tif"),
-                                           blend_distance=20, only_max_coords_feature=True)
+                    
+                    if submodel_run:
+                        orthophoto.compute_mask_raster(tree.odm_orthophoto_tif, cutline_file, 
+                                            os.path.join(tree.odm_orthophoto, "odm_orthophoto_cut.tif"),
+                                            blend_distance=20, only_max_coords_feature=True)
+                    else:
+                        log.ODM_INFO("Not a submodel run, skipping mask raster generation")
 
                 orthophoto.post_orthophoto_steps(args, bounds_file_path, tree.odm_orthophoto_tif, tree.orthophoto_tiles, resolution)
 
                 # Generate feathered orthophoto also
-                if args.orthophoto_cutline:
+                if args.orthophoto_cutline and submodel_run:
                     orthophoto.feather_raster(tree.odm_orthophoto_tif, 
                             os.path.join(tree.odm_orthophoto, "odm_orthophoto_feathered.tif"),
                             blend_distance=20