diff --git a/io_scene_fbx/export_fbx.py b/io_scene_fbx/export_fbx.py
index 802e7950eb83191ccf77d746ccc9faa1a04018b2..da833bad4908e6bb29fbae410e78e26b201269d3 100644
--- a/io_scene_fbx/export_fbx.py
+++ b/io_scene_fbx/export_fbx.py
@@ -2605,10 +2605,9 @@ Connections:  {''')
 
         # get the current action first so we can use it if we only export one action (JCB)
         for my_arm in ob_arms:
-            if not blenActionDefault:
-                blenActionDefault = my_arm.blenAction
-                if blenActionDefault:
-                    break
+            blenActionDefault = my_arm.blenAction
+            if blenActionDefault:
+                break
 
         if use_anim_action_all:
             tmp_actions = bpy.data.actions[:]