diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 48b6b602..01f9a265 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -1274,5 +1274,13 @@
   "Replace_No_Selected_Text": {
     "message": "No text selected, would you like to insert the AI's response at the beginning of the email?",
     "description": ""
+  },
+  "prefs_ollama_num_ctx": {
+    "message": "Number of context tokens",
+    "description": ""
+  },
+  "prefs_ollama_num_ctx_Info": {
+    "message": "The number of context tokens to use for the Ollama API. Set to 0 if you don't want to pass it as a parameter to the server.",
+    "description": ""
   }
 }
\ No newline at end of file
diff --git a/options/mzta-options-default.js b/options/mzta-options-default.js
index 573d2085..47cb2314 100644
--- a/options/mzta-options-default.js
+++ b/options/mzta-options-default.js
@@ -30,6 +30,7 @@ export const prefs_default = {
     chatgpt_developer_messages: '',
     ollama_host: '',
     ollama_model: '',
+    ollama_num_ctx: 0,
     openai_comp_host: '',   // For OpenAI Compatible API as LM-Studio
     openai_comp_model: '',
     openai_comp_api_key: '',
diff --git a/options/mzta-options.html b/options/mzta-options.html
index cd835aab..9083d20c 100644
--- a/options/mzta-options.html
+++ b/options/mzta-options.html
@@ -250,6 +250,17 @@
             <br><br><button id="btnGiveAllUrlsPermission_ollama_api">__MSG_CORS_give_allurls_perm__</button>
         </td>
       </tr>
+      <tr class="conntype_ollama_api">
+        <td><label>
+          <span>__MSG_prefs_ollama_num_ctx__</span>
+        </label></td>
+        <td>
+          <label>
+            <input type="number" id="ollama_num_ctx" name="ollama_num_ctx" class="option-input"/>
+            <br>__MSG_prefs_ollama_num_ctx_Info__
+          </label>
+        </td>
+      </tr>
       <tr class="conntype_ollama_api">
         <td>
           <label>