diff --git a/vllm/tool_parsers/qwen3coder_tool_parser.py b/vllm/tool_parsers/qwen3coder_tool_parser.py
index 73850b2ab0c5..46aa8a4acc38 100644
--- a/vllm/tool_parsers/qwen3coder_tool_parser.py
+++ b/vllm/tool_parsers/qwen3coder_tool_parser.py
@@ -19,6 +19,7 @@
     FunctionCall,
     ToolCall,
 )
+from vllm.envs import VLLM_ENFORCE_STRICT_TOOL_CALLING
 from vllm.logger import init_logger
 from vllm.tokenizers import TokenizerLike
 from vllm.tool_parsers.abstract_tool_parser import (
@@ -35,7 +36,7 @@
 
 
 class Qwen3CoderToolParser(ToolParser):
-    supports_required_and_named: bool = False
+    supports_required_and_named: bool = not VLLM_ENFORCE_STRICT_TOOL_CALLING
 
     def __init__(self, tokenizer: TokenizerLike, tools: list[Tool] | None = None):
         super().__init__(tokenizer, tools)