diff --git a/json_to_md.py b/json_to_md.py
index 201918c..c159066 100644
--- a/json_to_md.py
+++ b/json_to_md.py
@@ -40,17 +40,8 @@ def stringify(obj, indent=0):
     return str(obj)
 
 def sanitize_param_value(v):
-    s = repr(v)
-    return (
-        s.replace('&', '^')
-         .replace('<', '(')
-         .replace('>', ')')
-         .replace('"', '')    
-         .replace("'", '')    
-         .replace('`', '')    
-         .replace('=', '≡')    
-         .replace('\\', '/')   
-    )
+    s = json.dumps(v, ensure_ascii=False)
+    return html.escape(s)
     
 def normalize_nodeid(nodeid):
     """Convert pytest nodeid to Allure fullName format"""