diff --git a/common/common.cpp b/common/common.cpp
index 03128d8d5..8dd8912e5 100644
--- a/common/common.cpp
+++ b/common/common.cpp
@@ -74,14 +74,14 @@
 #endif
 #define LLAMA_CURL_MAX_URL_LENGTH 2084 // Maximum URL Length in Chrome: 2083
 
-const char * LLAMA_CHATML_TEMPLATE = R"(
+const std::string LLAMA_CHATML_TEMPLATE(R"(
     {%- for message in messages -%}
         {{- "<|im_start|>" + message.role + "\n" + message.content + "<|im_end|>\n" -}}
     {%- endfor -%}
     {%- if add_generation_prompt -%}
         {{- "<|im_start|>assistant\n" -}}
     {%- endif -%}
-)";
+)");
 
 //
 // CURL utils
diff --git a/common/common.h b/common/common.h
index 977819459..04e1272d6 100644
--- a/common/common.h
+++ b/common/common.h
@@ -26,7 +26,7 @@
 
 #define DEFAULT_MODEL_PATH "models/7B/ggml-model-f16.gguf"
 
-extern const char * LLAMA_CHATML_TEMPLATE;
+extern const std::string LLAMA_CHATML_TEMPLATE;
 
 struct common_adapter_lora_info {
     std::string path;