diff --git a/examples/chat_template/tool_chat_template_deepseekv31.jinja b/examples/chat_template/tool_chat_template_deepseekv31.jinja
index 9149cb442..08e93a30a 100644
--- a/examples/chat_template/tool_chat_template_deepseekv31.jinja
+++ b/examples/chat_template/tool_chat_template_deepseekv31.jinja
@@ -43,13 +43,13 @@
     {%- for tool in message['tool_calls'] %}
       {%- if not ns.is_first %}
         {%- if message['content'] is none %}
-          {{'<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>'+ tool['function']['name'] + '<｜tool▁sep｜>' + tool['function']['arguments'] + '<｜tool▁call▁end｜>'}}
+          {{'<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>'+ tool['function']['name'] + '<｜tool▁sep｜>' + tool['function']['arguments']|tojson + '<｜tool▁call▁end｜>'}}
         {%- else %}
-          {{message['content'] + '<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>' + tool['function']['name'] + '<｜tool▁sep｜>' + tool['function']['arguments'] + '<｜tool▁call▁end｜>'}}
+          {{message['content'] + '<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>' + tool['function']['name'] + '<｜tool▁sep｜>' + tool['function']['arguments']|tojson + '<｜tool▁call▁end｜>'}}
         {%- endif %}
         {%- set ns.is_first = true -%}
       {%- else %}
-        {{'<｜tool▁call▁begin｜>'+ tool['function']['name'] + '<｜tool▁sep｜>' + tool['function']['arguments'] + '<｜tool▁call▁end｜>'}}
+        {{'<｜tool▁call▁begin｜>'+ tool['function']['name'] + '<｜tool▁sep｜>' + tool['function']['arguments']|tojson + '<｜tool▁call▁end｜>'}}
       {%- endif %}
     {%- endfor %}
     {{'<｜tool▁calls▁end｜><｜end▁of▁sentence｜>'}}