diff --git a/Backend-libXML/Parser.py b/Backend-libXML/Parser.py
index 046840a..f991b70 100644
--- a/Backend-libXML/Parser.py
+++ b/Backend-libXML/Parser.py
@@ -99,10 +99,11 @@ def xslt(source: str, xslt: str) -> str:
     :param xslt: XSLT string used to transformate XML
     :return: Result of transformation
     """
-    xslt_transform = etree.XSLT(etree.XML(xslt))
+    xslt_input = BytesIO(xslt.encode("utf-8"))
+    xslt_transform = etree.XSLT(etree.parse(xslt_input).getroot())
 
-    xml = etree.XML(source)
+    document_input = BytesIO(source.encode("utf-8"))
+    xml = etree.parse(document_input).getroot()
 
     transformated = xslt_transform(xml)
-    print(transformated)
     return str(transformated)
\ No newline at end of file