diff --git a/src/caoscrawler/xml_converter.py b/src/caoscrawler/xml_converter.py
index 75116ef0c06a275490a46166356842ae2f96fc8f..b01d92e7dca19ed7a82e024be17cbd572f7c1c13 100644
--- a/src/caoscrawler/xml_converter.py
+++ b/src/caoscrawler/xml_converter.py
@@ -75,7 +75,15 @@ class XMLTagConverter(Converter):
         if not isinstance(element, XMLTagElement):
             raise TypeError("Element must be an instance of XMLTagElement.")
 
-        nsmap = self.definition["nsmap"]
+        # Get the namespace map from the element:
+        nsmap = element.tag.nsmap
+        # The default name of the default namespace is "default".
+        # You can overwrite it using the attribute "default_namespace" in the converter definition:
+        default_namespace = self.definition.get("default_namespace", "default")
+        if None in nsmap:
+            nsmap[default_namespace] = nsmap[None]
+            del nsmap[None]
+
         xpath = self.definition.get("xpath", "child::*")
         children = element.tag.xpath(xpath, namespaces=nsmap)
         el_lst = []