From 2bf2f627e4756b2e3826b8d5fe07a65df2b6b97d Mon Sep 17 00:00:00 2001
From: Iman Karim <imax@tha-imax.de>
Date: Sat, 18 Feb 2023 11:40:12 +0100
Subject: [PATCH] Fix for issue #2707

---
 ldm/invoke/merge_diffusers.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ldm/invoke/merge_diffusers.py b/ldm/invoke/merge_diffusers.py
index 1c8a2c63bb..b007705a78 100644
--- a/ldm/invoke/merge_diffusers.py
+++ b/ldm/invoke/merge_diffusers.py
@@ -323,7 +323,7 @@ class mergeModelsForm(npyscreen.FormMultiPageAction):
 
         if selected_model3 > 0:
             self.merge_method.values = ['add_difference ( A+(B-C) )']
-            self.merged_model_name.value += f"+{models[selected_model3]}"
+            self.merged_model_name.value += f"+{models[selected_model3 -1]}" # In model3 there is one more element in the list (None). So we have to subtract one.
         else:
             self.merge_method.values = self.interpolations
         self.merge_method.value = 0