diff --git a/client/ayon_core/lib/path_tools.py b/client/ayon_core/lib/path_tools.py
index a65f0f8e13..5c81fbfebf 100644
--- a/client/ayon_core/lib/path_tools.py
+++ b/client/ayon_core/lib/path_tools.py
@@ -81,7 +81,10 @@ def collect_frames(files):
         dict: {'/folder/product_v001.0001.png': '0001', ....}
     """
 
-    patterns = [clique.PATTERNS["frames"]]
+    # clique.PATTERNS["frames"] supports only `.1001.exr` not `_1001.exr` so
+    # we use a customized pattern.
+    pattern = "[_.](?P<index>(?P<padding>0*)\\d+)\\.\\D+\\d?$"
+    patterns = [pattern]
     collections, remainder = clique.assemble(
         files, minimum_items=1, patterns=patterns)
 
diff --git a/client/ayon_core/plugins/load/delivery.py b/client/ayon_core/plugins/load/delivery.py
index 6a0947cc42..5c53d170eb 100644
--- a/client/ayon_core/plugins/load/delivery.py
+++ b/client/ayon_core/plugins/load/delivery.py
@@ -230,6 +230,11 @@ class DeliveryOptionsDialog(QtWidgets.QDialog):
                 self.log
             ]
 
+            # TODO: This will currently incorrectly detect 'resources'
+            #  that are published along with the publish, because those should
+            #  not adhere to the template directly but are ingested in a
+            #  customized way. For example, maya look textures or any publish
+            #  that directly adds files into `instance.data["transfers"]`
             src_paths = []
             for repre_file in repre["files"]:
                 src_path = self.anatomy.fill_root(repre_file["path"])
@@ -261,7 +266,18 @@ class DeliveryOptionsDialog(QtWidgets.QDialog):
                     frame = dst_frame
 
                 if frame is not None:
-                    anatomy_data["frame"] = frame
+                    if repre["context"].get("frame"):
+                        anatomy_data["frame"] = frame
+                    elif repre["context"].get("udim"):
+                        anatomy_data["udim"] = frame
+                    else:
+                        # Fallback
+                        self.log.warning(
+                            "Representation context has no frame or udim"
+                            " data. Supplying sequence frame to '{frame}'"
+                            " formatting data."
+                        )
+                        anatomy_data["frame"] = frame
                 new_report_items, uploaded = deliver_single_file(*args)
                 report_items.update(new_report_items)
                 self._update_progress(uploaded)