diff --git a/public/script.js b/public/script.js
index add7da3d5..27ce9a3ba 100644
--- a/public/script.js
+++ b/public/script.js
@@ -165,6 +165,7 @@ import {
     formatInstructModeExamples,
     getInstructStoppingSequences,
     autoSelectInstructPreset,
+    formatInstructModeSystemPrompt,
 } from "./scripts/instruct-mode.js";
 import { applyLocale } from "./scripts/i18n.js";
 import { getTokenCount, getTokenizerModel, saveTokenCache } from "./scripts/tokenizers.js";
@@ -2360,6 +2361,7 @@ async function Generate(type, { automatic_trigger, force_name2, resolve, reject,
 
         if (isInstruct) {
             systemPrompt = power_user.prefer_character_prompt && systemPrompt ? systemPrompt : baseChatReplace(power_user.instruct.system_prompt, name1, name2);
+            systemPrompt = formatInstructModeSystemPrompt(substituteParams(systemPrompt, name1, name2, power_user.instruct.system_prompt));
         }
 
         // Parse example messages
diff --git a/public/scripts/instruct-mode.js b/public/scripts/instruct-mode.js
index bc75e266d..d15274d2f 100644
--- a/public/scripts/instruct-mode.js
+++ b/public/scripts/instruct-mode.js
@@ -189,6 +189,20 @@ export function formatInstructModeChat(name, mes, isUser, isNarrator, forceAvata
     return text;
 }
 
+/**
+ * Formats instruct mode system prompt.
+ * @param {string} systemPrompt System prompt string.
+ * @returns {string} Formatted instruct mode system prompt.
+ */
+export function formatInstructModeSystemPrompt(systemPrompt){
+    if (power_user.instruct.system_sequence) {
+        const separator = power_user.instruct.wrap ? '\n' : '';
+        return power_user.instruct.system_sequence + separator + systemPrompt;
+    }
+
+    return systemPrompt;
+}
+
 /**
  * Formats example messages according to instruct mode settings.
  * @param {string} mesExamples Example messages string.