diff --git a/json_to_md.py b/json_to_md.py
index 008e3a58..0c56066b 100644
--- a/json_to_md.py
+++ b/json_to_md.py
@@ -7,23 +7,51 @@ import re
 from collections import defaultdict
 import os
 
-def build_tree(nodeids):
-    tree = lambda: defaultdict(tree)
-    root = tree()
-    for nid in nodeids:
-        parts = nid.replace("\\", "/").split("/")  # normalize path
-        current = root
-        for part in parts:
-            current = current[part]
-    return root
 
-def write_tree(f, subtree, path=""):
-    for key in sorted(subtree):
-        full_path = f"{path}/{key}" if path else key
-        f.write(f"<details>\n<summary>📁 `{full_path}`</summary>\n\n")
-        if subtree[key]:  # has children
-            write_tree(f, subtree[key], full_path)
-        f.write("</details>\n\n")
+def build_tree(collectors):
+    tree = {}
+    file_map = {}
+
+    for collector in collectors:
+        nodeid = collector.get("nodeid", "")
+        parts = nodeid.split("/")
+        current = tree
+
+        for part in parts[:-1]:
+            current = current.setdefault(part, {})
+
+        last = parts[-1]
+        current[last] = collector  # Feuille contient le collector complet
+        file_map[nodeid] = collector
+
+    return tree
+
+def write_tree(f, tree, prefix=""):
+    for name, content in sorted(tree.items()):
+        path = os.path.join(prefix, name)
+        if isinstance(content, dict):
+            f.write(f"<details>\n<summary>📁 `{path}`</summary>\n\n")
+            write_tree(f, content, path)
+            f.write(f"</details>\n\n")
+        else:
+            # C’est une feuille : afficher infos collector
+            outcome = content.get("outcome", "unknown")
+            emoji = "✅" if outcome == "passed" else "❌"
+            f.write(f"- **outcome:** `{outcome}`\n")
+            results = content.get("result", [])
+            if results:
+                f.write("- **result:**\n```\n")
+                for item in results:
+                    if isinstance(item, dict):
+                        for k, v in item.items():
+                            f.write(f"{k}: {v}\n")
+                        f.write("\n")
+                    else:
+                        f.write(f"{item}\n")
+                f.write("```\n")
+            else:
+                f.write("- **result:** `None`\n")
+            f.write("\n")
 
 def stringify(obj):
     if obj is None or obj == "":
@@ -92,38 +120,9 @@ def json_to_md_nested(json_path, md_path, allure_dir=None):
 
         if "collectors" in data:
             f.write("## 📚 Collectés\n")
+            tree = build_tree(data["collectors"])
+            write_tree(f, tree)
 
-            # 1. Collect all nodeids that represent paths
-            nodeids = [collector.get("nodeid", "unknown").split("::")[0] for collector in data["collectors"]]
-
-            # 2. Build directory tree from paths
-            dir_tree = build_tree(nodeids)
-
-            # 3. Write the tree recursively
-            write_tree(f, dir_tree)
-
-            # 4. Ensuite, tu peux afficher les détails pour chaque vrai test (en dehors de la hiérarchie)
-            for collector in data["collectors"]:
-                nodeid = collector.get("nodeid", "unknown")
-                outcome = collector.get("outcome", "unknown")
-                emoji = "✅" if outcome == "passed" else "❌"
-                f.write(f"<details>\n<summary>{emoji} `{nodeid}`</summary>\n\n")
-                f.write(f"- **outcome:** `{outcome}`\n")
-
-                results = collector.get("result", [])
-                if results:
-                    f.write("- **result:**\n```\n")
-                    for item in results:
-                        if isinstance(item, dict):
-                            for k, v in item.items():
-                                f.write(f"{k}: {v}\n")
-                            f.write("\n")
-                        else:
-                            f.write(f"{item}\n")
-                    f.write("```\n")
-                else:
-                    f.write("- **result:** `None`\n")
-                f.write("</details>\n\n")