diff --git a/blender.py b/blender.py
index 99ef562..7d3243a 100644
--- a/blender.py
+++ b/blender.py
@@ -34,7 +34,7 @@ class InverseNode(Node, ArmLogicTreeNode):
     bl_icon = 'GAME'
 
     def init(self, context):
-        elf.inputs.new('ArmNodeSocketAction', 'In')
+        self.inputs.new('ArmNodeSocketAction', 'In')
         self.outputs.new('ArmNodeSocketAction', 'Out')
 
 def register():