diff --git a/aider/models.py b/aider/models.py
index b5dd7382c..60cb5d0f4 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -915,11 +915,19 @@ def validate_variables(vars):
 
 
 def sanity_check_models(io, main_model):
+    problem_main = sanity_check_model(io, main_model)
+    
     problem_weak = None
-    problem_strong = sanity_check_model(io, main_model)
     if main_model.weak_model and main_model.weak_model is not main_model:
         problem_weak = sanity_check_model(io, main_model.weak_model)
-    return problem_strong or problem_weak
+    
+    problem_editor = None
+    if (main_model.editor_model and 
+        main_model.editor_model is not main_model and 
+        main_model.editor_model is not main_model.weak_model):
+        problem_editor = sanity_check_model(io, main_model.editor_model)
+    
+    return problem_main or problem_weak or problem_editor
 
 
 def sanity_check_model(io, model):