diff --git a/colorbleed/plugins/global/publish/validate_sequence_frames.py b/colorbleed/plugins/global/publish/validate_sequence_frames.py
index ae3eb75783..bd14b4c0c3 100644
--- a/colorbleed/plugins/global/publish/validate_sequence_frames.py
+++ b/colorbleed/plugins/global/publish/validate_sequence_frames.py
@@ -17,12 +17,18 @@ class ValidateSequenceFrames(pyblish.api.InstancePlugin):
     def process(self, instance):
 
         collection = instance[0]
+        self.log.info(collection)
 
-        self.log.warning(collection)
         frames = list(collection.indexes)
 
-        assert frames[0] == instance.data["startFrame"]
-        assert frames[-1] == instance.data["endFrame"]
+        current_range = (frames[0], frames[-1])
+        required_range = (instance.data["startFrame"],
+                          instance.data["endFrame"])
+
+        if current_range != required_range:
+            raise ValueError("Invalid frame range: {0} - "
+                             "expected: {1}".format(current_range,
+                                                    required_range))
 
         missing = collection.holes().indexes
         assert not missing, "Missing frames: %s" % (missing,)
diff --git a/colorbleed/plugins/maya/publish/validate_transfers.py b/colorbleed/plugins/maya/publish/validate_transfers.py
index 5f1f5b3f41..41544b63cf 100644
--- a/colorbleed/plugins/maya/publish/validate_transfers.py
+++ b/colorbleed/plugins/maya/publish/validate_transfers.py
@@ -1,5 +1,6 @@
 import pyblish.api
 import colorbleed.api
+import os
 
 from collections import defaultdict
 
@@ -26,7 +27,12 @@ class ValidateTransfers(pyblish.api.InstancePlugin):
         # Collect all destination with its sources
         collected = defaultdict(set)
         for source, destination in transfers:
-            collected[destination.lower()].add(source.lower())
+
+            # Use normalized paths in comparison and ignore case sensitivity
+            source = os.path.normpath(source).lower()
+            destination = os.path.normpath(destination).lower()
+
+            collected[destination].add(source)
 
         invalid_destinations = list()
         for destination, sources in collected.items():