diff --git a/io_scene_niftools/modules/nif_export/animation/__init__.py b/io_scene_niftools/modules/nif_export/animation/__init__.py
index 7f668b6df..ecf919b80 100644
--- a/io_scene_niftools/modules/nif_export/animation/__init__.py
+++ b/io_scene_niftools/modules/nif_export/animation/__init__.py
@@ -201,4 +201,4 @@ def add_dummy_markers(self, b_action):
             NifLog.info("Defining default action pose markers.")
             for frame, text in zip(b_action.frame_range, ("Idle: Start/Idle: Loop Start", "Idle: Loop Stop/Idle: Stop")):
                 marker = b_action.pose_markers.new(text)
-                marker.frame = frame
+                marker.frame = int(frame)
diff --git a/io_scene_niftools/modules/nif_import/animation/__init__.py b/io_scene_niftools/modules/nif_import/animation/__init__.py
index e3fd22246..b83c1bb4c 100644
--- a/io_scene_niftools/modules/nif_import/animation/__init__.py
+++ b/io_scene_niftools/modules/nif_import/animation/__init__.py
@@ -58,7 +58,7 @@ def __init__(self):
     @staticmethod
     def get_controller_data(ctrl):
         """Return data for ctrl, look in interpolator (for newer games) or directly on ctrl"""
-        if ctrl.interpolator:
+        if hasattr(ctrl, 'interpolator') and ctrl.interpolator:
             data = ctrl.interpolator.data
         else:
             data = ctrl.data