diff --git a/annotation/src/test/java/lcsb/mapviewer/annotation/services/annotators/MultipleAnnotatorsTest.java b/annotation/src/test/java/lcsb/mapviewer/annotation/services/annotators/MultipleAnnotatorsTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..27c802a421de0faf6bbec7666ddb761fa20ed4af
--- /dev/null
+++ b/annotation/src/test/java/lcsb/mapviewer/annotation/services/annotators/MultipleAnnotatorsTest.java
@@ -0,0 +1,82 @@
+package lcsb.mapviewer.annotation.services.annotators;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.when;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import lcsb.mapviewer.annotation.AnnotationTestFunctions;
+import lcsb.mapviewer.annotation.cache.WebPageDownloader;
+import lcsb.mapviewer.annotation.services.ExternalServiceStatusType;
+import lcsb.mapviewer.common.exception.InvalidArgumentException;
+import lcsb.mapviewer.model.map.MiriamData;
+import lcsb.mapviewer.model.map.MiriamType;
+import lcsb.mapviewer.model.map.species.GenericProtein;
+import lcsb.mapviewer.model.map.species.Species;
+
+public class MultipleAnnotatorsTest extends AnnotationTestFunctions {
+	
+	@Autowired
+	KeggAnnotator 			keggAnnotator;
+	
+	@Autowired
+	UniprotAnnotator 		uniprotAnnotator;
+	
+	@Autowired
+	HgncAnnotator			hgncAnnotator;
+	
+	@Autowired
+	BiocompendiumAnnotator 		biocompendiumAnnotator;
+
+	@Before
+	public void setUp() throws Exception {
+	}
+
+	@After
+	public void tearDown() throws Exception {
+	}
+	
+	@Test
+	public void testAnnotateUniprotByUniprotAndKegg() throws Exception {
+		try {
+
+			Species protein = new GenericProtein("id");
+			protein.setName("bla");
+			protein.addMiriamData(new MiriamData(MiriamType.UNIPROT, "P12345"));
+			
+			keggAnnotator.annotateElement(protein);
+			uniprotAnnotator.annotateElement(protein);
+			hgncAnnotator.annotateElement(protein);
+			//biocompendiumAnnotator.annotateElement(protein);
+			
+			
+			int cntNoAnnotator = 0;
+			for (MiriamData md: protein.getMiriamData()) {
+				if (md.getAnnotator() == null) {
+					cntNoAnnotator++;
+				}				
+			}
+			
+			assertTrue("Wrong number of annotated elements with no information about annotator", cntNoAnnotator == 1);
+
+		} catch (Exception e) {
+			e.printStackTrace();
+			throw e;
+		}
+	}
+
+}