diff --git a/client/ayon_core/hosts/maya/plugins/publish/extract_camera_mayaScene.py b/client/ayon_core/hosts/maya/plugins/publish/extract_camera_mayaScene.py
index 8ca1fd9d3a..689eed09f8 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/extract_camera_mayaScene.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/extract_camera_mayaScene.py
@@ -112,9 +112,11 @@ class ExtractCameraMayaScene(publish.Extractor,
     def process(self, instance):
         """Plugin entry point."""
         # get settings
-        ext_mapping = (
-            instance.context.data["project_settings"]["maya"]["ext_mapping"]
-        )
+        maya_settings = instance.context.data["project_settings"]["maya"]
+        ext_mapping = {
+            item["name"]: item["value"]
+            for item in maya_settings["ext_mapping"]
+        }
         if ext_mapping:
             self.log.debug("Looking in settings for scene type ...")
             # use extension mapping for first family found
diff --git a/client/ayon_core/hosts/maya/plugins/publish/extract_import_reference.py b/client/ayon_core/hosts/maya/plugins/publish/extract_import_reference.py
index 2a43a30b8d..3fb84c8d83 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/extract_import_reference.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/extract_import_reference.py
@@ -37,9 +37,11 @@ class ExtractImportReference(publish.Extractor,
         if not self.is_active(instance.data):
             return
 
-        ext_mapping = (
-            instance.context.data["project_settings"]["maya"]["ext_mapping"]
-        )
+        maya_settings = instance.context.data["project_settings"]["maya"]
+        ext_mapping = {
+            item["name"]: item["value"]
+            for item in maya_settings["ext_mapping"]
+        }
         if ext_mapping:
             self.log.debug("Looking in settings for scene type ...")
             # use extension mapping for first family found
diff --git a/client/ayon_core/hosts/maya/plugins/publish/extract_look.py b/client/ayon_core/hosts/maya/plugins/publish/extract_look.py
index 7f97a7bf82..29390e2c7d 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/extract_look.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/extract_look.py
@@ -431,9 +431,11 @@ class ExtractLook(publish.Extractor):
                 project settings.
 
         """
-        ext_mapping = (
-            instance.context.data["project_settings"]["maya"]["ext_mapping"]
-        )
+        maya_settings = instance.context.data["project_settings"]["maya"]
+        ext_mapping = {
+            item["name"]: item["value"]
+            for item in maya_settings["ext_mapping"]
+        }
         if ext_mapping:
             self.log.debug("Looking in settings for scene type ...")
             # use extension mapping for first family found
diff --git a/client/ayon_core/hosts/maya/plugins/publish/extract_maya_scene_raw.py b/client/ayon_core/hosts/maya/plugins/publish/extract_maya_scene_raw.py
index 5045a8d252..cd6f3bab6a 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/extract_maya_scene_raw.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/extract_maya_scene_raw.py
@@ -43,9 +43,11 @@ class ExtractMayaSceneRaw(publish.Extractor, AYONPyblishPluginMixin):
 
     def process(self, instance):
         """Plugin entry point."""
-        ext_mapping = (
-            instance.context.data["project_settings"]["maya"]["ext_mapping"]
-        )
+        maya_settings = instance.context.data["project_settings"]["maya"]
+        ext_mapping = {
+            item["name"]: item["value"]
+            for item in maya_settings["ext_mapping"]
+        }
         if ext_mapping:
             self.log.debug("Looking in settings for scene type ...")
             # use extension mapping for first family found
diff --git a/client/ayon_core/hosts/maya/plugins/publish/extract_model.py b/client/ayon_core/hosts/maya/plugins/publish/extract_model.py
index b6ae4d537a..543af59e8f 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/extract_model.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/extract_model.py
@@ -35,9 +35,11 @@ class ExtractModel(publish.Extractor,
         if not self.is_active(instance.data):
             return
 
-        ext_mapping = (
-            instance.context.data["project_settings"]["maya"]["ext_mapping"]
-        )
+        maya_settings = instance.context.data["project_settings"]["maya"]
+        ext_mapping = {
+            item["name"]: item["value"]
+            for item in maya_settings["ext_mapping"]
+        }
         if ext_mapping:
             self.log.debug("Looking in settings for scene type ...")
             # use extension mapping for first family found
diff --git a/client/ayon_core/hosts/maya/plugins/publish/extract_rig.py b/client/ayon_core/hosts/maya/plugins/publish/extract_rig.py
index 13e3d7c6b4..305f4698c6 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/extract_rig.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/extract_rig.py
@@ -18,9 +18,11 @@ class ExtractRig(publish.Extractor):
 
     def process(self, instance):
         """Plugin entry point."""
-        ext_mapping = (
-            instance.context.data["project_settings"]["maya"]["ext_mapping"]
-        )
+        maya_settings = instance.context.data["project_settings"]["maya"]
+        ext_mapping = {
+            item["name"]: item["value"]
+            for item in maya_settings["ext_mapping"]
+        }
         if ext_mapping:
             self.log.debug("Looking in settings for scene type ...")
             # use extension mapping for first family found
diff --git a/client/ayon_core/hosts/maya/plugins/publish/extract_yeti_rig.py b/client/ayon_core/hosts/maya/plugins/publish/extract_yeti_rig.py
index 7387849736..0b67117ebc 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/extract_yeti_rig.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/extract_yeti_rig.py
@@ -100,9 +100,11 @@ class ExtractYetiRig(publish.Extractor):
 
     def process(self, instance):
         """Plugin entry point."""
-        ext_mapping = (
-            instance.context.data["project_settings"]["maya"]["ext_mapping"]
-        )
+        maya_settings = instance.context.data["project_settings"]["maya"]
+        ext_mapping = {
+            item["name"]: item["value"]
+            for item in maya_settings["ext_mapping"]
+        }
         if ext_mapping:
             self.log.debug("Looking in settings for scene type ...")
             # use extension mapping for first family found
diff --git a/client/ayon_core/settings/ayon_settings.py b/client/ayon_core/settings/ayon_settings.py
index 0c7acc1854..14af455d5b 100644
--- a/client/ayon_core/settings/ayon_settings.py
+++ b/client/ayon_core/settings/ayon_settings.py
@@ -333,12 +333,6 @@ def _convert_maya_project_settings(ayon_settings, output):
 
     ayon_maya = ayon_settings["maya"]
 
-    # Convert extensions mapping
-    ayon_maya["ext_mapping"] = {
-        item["name"]: item["value"]
-        for item in ayon_maya["ext_mapping"]
-    }
-
     # Maya dirmap
     ayon_maya_dirmap = ayon_maya.pop("maya_dirmap")
     ayon_maya_dirmap_path = ayon_maya_dirmap["paths"]