diff --git a/src/main/java/org/gcube/datacatalogue/metadatadiscovery/DataCalogueMetadataFormatReader.java b/src/main/java/org/gcube/datacatalogue/metadatadiscovery/DataCalogueMetadataFormatReader.java
index e2dac15..36719e0 100644
--- a/src/main/java/org/gcube/datacatalogue/metadatadiscovery/DataCalogueMetadataFormatReader.java
+++ b/src/main/java/org/gcube/datacatalogue/metadatadiscovery/DataCalogueMetadataFormatReader.java
@@ -5,6 +5,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.StringReader;
+import java.net.URL;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -12,6 +13,10 @@ import java.util.Map;
 import java.util.stream.Collectors;
 
 import javax.xml.XMLConstants;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.transform.Source;
+import javax.xml.transform.dom.DOMSource;
 import javax.xml.transform.stream.StreamSource;
 import javax.xml.validation.Schema;
 import javax.xml.validation.SchemaFactory;
@@ -27,6 +32,8 @@ import org.gcube.datacatalogue.metadatadiscovery.reader.MetadataFormatReader;
 import org.gcube.datacatalogue.metadatadiscovery.reader.NamespaceCategoryReader;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 
 /**
@@ -182,7 +189,11 @@ public class DataCalogueMetadataFormatReader implements DataCatalogueMetadataDis
 		return DataCalogueMetadataFormatReader.class.getResourceAsStream(SCHEMA_FILENAME);
 	}
 	
-	static void validateAgainstXSD(StreamSource xml, StreamSource xsd) throws SAXException, IOException {
+	static URL getProfileSchemaURL() {
+		return DataCalogueMetadataFormatReader.class.getResource(SCHEMA_FILENAME);
+	}
+	
+	static void validateAgainstXSD(Source xml, URL xsd) throws SAXException, IOException {
 		SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
 		Schema schema = factory.newSchema(xsd);
 		Validator validator = schema.newValidator();
@@ -191,11 +202,14 @@ public class DataCalogueMetadataFormatReader implements DataCatalogueMetadataDis
 	
 	@Override
 	public void validateProfile(String xmlProfile) throws Exception {
-		validateAgainstXSD(new StreamSource(xmlProfile), new StreamSource(getProfileSchema()));
+		DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder();
+		Document doc = db.parse( new InputSource(new StringReader(xmlProfile))); 
+		DOMSource source = new DOMSource(doc);
+		validateAgainstXSD(source, getProfileSchemaURL());
 	}
 	
 	public static void validateProfile(InputStream xml) throws Exception {
-		validateAgainstXSD(new StreamSource(xml), new StreamSource(getProfileSchemaInputStream()));
+		validateAgainstXSD(new StreamSource(xml), getProfileSchemaURL());
 	}
 	
 }
diff --git a/src/test/java/org/gcube/datacatalogue/metadatadiscovery/TestDataCatalogueMetadataFormatReader.java b/src/test/java/org/gcube/datacatalogue/metadatadiscovery/TestDataCatalogueMetadataFormatReader.java
index 1b5b913..1df6b0b 100644
--- a/src/test/java/org/gcube/datacatalogue/metadatadiscovery/TestDataCatalogueMetadataFormatReader.java
+++ b/src/test/java/org/gcube/datacatalogue/metadatadiscovery/TestDataCatalogueMetadataFormatReader.java
@@ -61,7 +61,7 @@ public class TestDataCatalogueMetadataFormatReader {
 	}
 	
 	
-	public static String PROFILE_EXAMPLE_FILENAME = "profileExample.xml";
+	public static String PROFILE_EXAMPLE_FILENAME = "EmptyProfileExample.xml";
 	
 	@Test
 	public void validateAgainstProfileSchema() throws Exception {