diff --git a/pythran/types/types.py b/pythran/types/types.py
index 30ec49d13..7925434c7 100644
--- a/pythran/types/types.py
+++ b/pythran/types/types.py
@@ -264,7 +264,7 @@ def update_type(self, node, ty_builder, *args):
         self.result[node] = self.combined(curr_ty, ty)
 
     def visit_FunctionDef(self, node):
-        self.delayed_types = set()
+        self.delayed_nodes = set()
         self.curr_locals_declaration = self.gather(
             LocalNodeDeclarations,
             node)
@@ -278,7 +278,7 @@ def visit_FunctionDef(self, node):
 
         self.generic_visit(node)
 
-        for delayed_node in self.delayed_types:
+        for delayed_node in self.delayed_nodes:
             delayed_type = self.result[delayed_node]
             all_types = ordered_set(self.result[ty] for ty in
                                     self.name_to_nodes[delayed_node.id])
@@ -290,7 +290,7 @@ def visit_FunctionDef(self, node):
             all_types = ordered_set(self.result[ty] for ty in nodes)
             final_type = self.combined(*all_types)
             for n in nodes:
-                if n not in self.delayed_types:
+                if n not in self.delayed_nodes:
                     self.result[n] = final_type
         self.current_global_declarations[node.name] = node
 
@@ -557,7 +557,7 @@ def visit_AssignedSubscript(self, node):
     def delayed(self, node):
         fallback_type = self.combined(*[self.result[n] for n in
                                         self.name_to_nodes[node.id]])
-        self.delayed_types.add(node)
+        self.delayed_nodes.add(node)
         return self.builder.LType(fallback_type, node)
 
     def visit_Name(self, node):