diff --git a/pdfbox-validation-model/src/main/java/org/verapdf/model/ModelParser.java b/pdfbox-validation-model/src/main/java/org/verapdf/model/ModelParser.java
index 6870912b..dc2a3798 100644
--- a/pdfbox-validation-model/src/main/java/org/verapdf/model/ModelParser.java
+++ b/pdfbox-validation-model/src/main/java/org/verapdf/model/ModelParser.java
@@ -24,6 +24,8 @@
 import org.verapdf.containers.StaticCoreContainers;
 import org.verapdf.xmp.containers.StaticXmpCoreContainers;
 import org.verapdf.xmp.impl.VeraPDFMeta;
+
+import java.util.Collections;
 import java.util.logging.Logger;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.common.PDMetadata;
@@ -69,7 +71,7 @@ public final class ModelParser implements PDFAParser {
 
 	private PDDocument document;
 
-	private final PDFAFlavour flavour;
+	private PDFAFlavour flavour;
 
 	private ModelParser(final InputStream docStream, PDFAFlavour flavour, PDFAFlavour defaultFlavour) throws IOException {
 		this.document = PDDocument.load(docStream, false, true);
@@ -195,6 +197,16 @@ public PDFAFlavour getFlavour() {
 		return this.flavour;
 	}
 
+	@Override
+	public List<PDFAFlavour> getFlavours() {
+		return Collections.singletonList(flavour);
+	}
+
+	@Override
+	public void setFlavours(List<PDFAFlavour> flavours) {
+		this.flavour = flavours.get(0);
+	}
+
 	@Override
 	public FeatureExtractionResult getFeatures(FeatureExtractorConfig config) {
 		return PBFeatureParser.getFeaturesCollection(this.document, config);