diff --git a/aider/models.py b/aider/models.py
index 66ce2df0d..0bca766c6 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -938,8 +938,8 @@ class Model(ModelSettings):
             self.edit_format = "diff"
             self.editor_edit_format = "editor-diff"
             self.use_repo_map = True
-            # if "ollama" in model:
-            #    self.extra_params = dict(num_ctx = 64*1024)
+            if "ollama" in model:
+                self.extra_params = dict(num_ctx=8 * 1024)
             return  # <--
 
         # use the defaults