diff --git a/src/llama.cpp b/src/llama.cpp
index 4a9903cc3..058184d95 100644
--- a/src/llama.cpp
+++ b/src/llama.cpp
@@ -21600,6 +21600,14 @@ static int32_t llama_chat_apply_template_internal(
         if (add_ass) {
             ss << "Assistant:";
         }
+    } else if (tmpl == "lite-mistral" || tmpl_contains("'<s>system\n' + message['content'] + '</s>\n'")) {
+        // OuteAI/Lite-Mistral-150M-v2-Instruct
+        for (auto message : chat) {
+            ss << "<s>" << message->role << "\n" << message->content << "</s>\n";
+        }
+        if (add_ass) {
+            ss << "<s>assistant\n";
+        }
     } else {
         // template not supported
         return -1;
diff --git a/tests/test-chat-template.cpp b/tests/test-chat-template.cpp
index 6583dd0b2..4a9d6f350 100644
--- a/tests/test-chat-template.cpp
+++ b/tests/test-chat-template.cpp
@@ -66,6 +66,8 @@ int main(void) {
         u8"{% for message in messages %}{% if message['role'] == 'user' %}{{'<用户>' + message['content'].strip() + '<AI>'}}{% else %}{{message['content'].strip()}}{% endif %}{% endfor %}",
         // DeepSeek-V2
         "{% if not add_generation_prompt is defined %}{% set add_generation_prompt = false %}{% endif %}{{ bos_token }}{% for message in messages %}{% if message['role'] == 'user' %}{{ 'User: ' + message['content'] + '\n\n' }}{% elif message['role'] == 'assistant' %}{{ 'Assistant: ' + message['content'] + eos_token }}{% elif message['role'] == 'system' %}{{ message['content'] + '\n\n' }}{% endif %}{% endfor %}{% if add_generation_prompt %}{{ 'Assistant:' }}{% endif %}",
+        // OuteAI/Lite-Mistral-150M-v2-Instruct
+        "{% for message in messages %}{% if message['role'] == 'user' %}{{'<s>user\n' + message['content'] + '</s>\n'}}{% elif message['role'] == 'assistant' %}{{'<s>assistant\n' + message['content'] + '</s>\n'}}{% elif message['role'] == 'system' %}{{'<s>system\n' + message['content'] + '</s>\n'}}{% endif %}{% endfor %}{% if add_generation_prompt %}{{'<s>assistant\n'}}{% endif %}",
     };
     std::vector<std::string> expected_output = {
         // teknium/OpenHermes-2.5-Mistral-7B
@@ -110,6 +112,8 @@ int main(void) {
         u8"You are a helpful assistant<用户>Hello<AI>Hi there<用户>Who are you<AI>I am an assistant<用户>Another question<AI>",
         // DeepSeek-V2
         u8"You are a helpful assistant\n\nUser: Hello\n\nAssistant: Hi there<｜end▁of▁sentence｜>User: Who are you\n\nAssistant:    I am an assistant   <｜end▁of▁sentence｜>User: Another question\n\nAssistant:",
+        // OuteAI/Lite-Mistral-150M-v2-Instruct
+        "<s>user\nHello</s>\n<s>assistant\nHi there</s>\n<s>user\nWho are you</s>\n<s>assistant\n   I am an assistant   </s>\n<s>user\nAnother question</s>\n<s>assistant\n",
     };
     std::vector<char> formatted_chat(1024);
     int32_t res;