diff --git a/openpype/hosts/fusion/__init__.py b/openpype/hosts/fusion/__init__.py
index e69de29bb2..ddae01890b 100644
--- a/openpype/hosts/fusion/__init__.py
+++ b/openpype/hosts/fusion/__init__.py
@@ -0,0 +1,10 @@
+from .addon import (
+    FusionAddon,
+    FUSION_HOST_DIR,
+)
+
+
+__all__ = (
+    "FusionAddon",
+    "FUSION_HOST_DIR",
+)
diff --git a/openpype/hosts/fusion/addon.py b/openpype/hosts/fusion/addon.py
new file mode 100644
index 0000000000..e257005061
--- /dev/null
+++ b/openpype/hosts/fusion/addon.py
@@ -0,0 +1,23 @@
+import os
+from openpype.modules import OpenPypeModule
+from openpype.modules.interfaces import IHostAddon
+
+FUSION_HOST_DIR = os.path.dirname(os.path.abspath(__file__))
+
+
+class FusionAddon(OpenPypeModule, IHostAddon):
+    name = "fusion"
+    host_name = "fusion"
+
+    def initialize(self, module_settings):
+        self.enabled = True
+
+    def get_launch_hook_paths(self, app):
+        if app.host_name != self.host_name:
+            return []
+        return [
+            os.path.join(FUSION_HOST_DIR, "hooks")
+        ]
+
+    def get_workfile_extensions(self):
+        return [".comp"]
diff --git a/openpype/hosts/fusion/api/pipeline.py b/openpype/hosts/fusion/api/pipeline.py
index 54a6c94b60..987eae214b 100644
--- a/openpype/hosts/fusion/api/pipeline.py
+++ b/openpype/hosts/fusion/api/pipeline.py
@@ -18,12 +18,11 @@ from openpype.pipeline import (
     deregister_inventory_action_path,
     AVALON_CONTAINER_ID,
 )
-import openpype.hosts.fusion
+from openpype.hosts.fusion import FUSION_HOST_DIR
 
 log = Logger.get_logger(__name__)
 
-HOST_DIR = os.path.dirname(os.path.abspath(openpype.hosts.fusion.__file__))
-PLUGINS_DIR = os.path.join(HOST_DIR, "plugins")
+PLUGINS_DIR = os.path.join(FUSION_HOST_DIR, "plugins")
 
 PUBLISH_PATH = os.path.join(PLUGINS_DIR, "publish")
 LOAD_PATH = os.path.join(PLUGINS_DIR, "load")
diff --git a/openpype/hosts/fusion/api/workio.py b/openpype/hosts/fusion/api/workio.py
index a1710c6e3a..89752d3e6d 100644
--- a/openpype/hosts/fusion/api/workio.py
+++ b/openpype/hosts/fusion/api/workio.py
@@ -2,13 +2,11 @@
 import sys
 import os
 
-from openpype.pipeline import HOST_WORKFILE_EXTENSIONS
-
 from .pipeline import get_current_comp
 
 
 def file_extensions():
-    return HOST_WORKFILE_EXTENSIONS["fusion"]
+    return [".comp"]
 
 
 def has_unsaved_changes():