diff --git a/client/ayon_core/hosts/fusion/api/pipeline.py b/client/ayon_core/hosts/fusion/api/pipeline.py
index bbfb83a573..dc6e30159e 100644
--- a/client/ayon_core/hosts/fusion/api/pipeline.py
+++ b/client/ayon_core/hosts/fusion/api/pipeline.py
@@ -308,7 +308,7 @@ class FusionEventThread(QtCore.QThread):
         # getattr of UIManager.GetEvent tries to resolve the Remote Function
         # through the PyRemoteObject
         get_event = app.UIManager.GetEvent
-        delay = int(os.environ.get("OPENPYPE_FUSION_CALLBACK_INTERVAL", 1000))
+        delay = int(os.environ.get("AYON_FUSION_CALLBACK_INTERVAL", 1000))
         while True:
             if self.isInterruptionRequested():
                 return
diff --git a/client/ayon_core/hosts/fusion/api/pulse.py b/client/ayon_core/hosts/fusion/api/pulse.py
index 762f05ba7e..7128b7e1ff 100644
--- a/client/ayon_core/hosts/fusion/api/pulse.py
+++ b/client/ayon_core/hosts/fusion/api/pulse.py
@@ -14,7 +14,7 @@ class PulseThread(QtCore.QThread):
         app = getattr(sys.modules["__main__"], "app", None)
 
         # Interval in milliseconds
-        interval = os.environ.get("OPENPYPE_FUSION_PULSE_INTERVAL", 1000)
+        interval = os.environ.get("AYON_FUSION_PULSE_INTERVAL", 1000)
 
         while True:
             if self.isInterruptionRequested():