diff --git a/e2e-test/src/main/resources/model/search-2139-model.xml b/e2e-test/src/main/resources/model/search-2139-model.xml
index 76555ed20..9962ca916 100644
--- a/e2e-test/src/main/resources/model/search-2139-model.xml
+++ b/e2e-test/src/main/resources/model/search-2139-model.xml
@@ -126,6 +126,18 @@
                         <facetable>true</facetable>
                     </index>
                 </property>
+                <property name="allfieldtypes:multiplemltext">
+                    <title>mltextMultiple</title>
+                    <type>d:mltext</type>
+                    <mandatory>false</mandatory>
+                    <multiple>true</multiple>
+                    <index enabled="true">
+                        <atomic>true</atomic>
+                        <stored>false</stored>
+                        <tokenised>both</tokenised>
+                        <facetable>true</facetable>
+                    </index>
+                </property>
                 <property name="allfieldtypes:textPatternMany">
                     <title>textPatternMany</title>
                     <type>d:text</type>
diff --git a/e2e-test/src/test/java/org/alfresco/test/search/functional/searchServices/search/FieldDefinitionTest.java b/e2e-test/src/test/java/org/alfresco/test/search/functional/searchServices/search/FieldDefinitionTest.java
index bb38e667d..8e36fd05d 100644
--- a/e2e-test/src/test/java/org/alfresco/test/search/functional/searchServices/search/FieldDefinitionTest.java
+++ b/e2e-test/src/test/java/org/alfresco/test/search/functional/searchServices/search/FieldDefinitionTest.java
@@ -26,6 +26,9 @@
 
 package org.alfresco.test.search.functional.searchServices.search;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import org.alfresco.rest.search.SearchResponse;
 import org.alfresco.utility.data.CustomObjectTypeProperties;
 import org.alfresco.utility.model.FileModel;
@@ -40,7 +43,7 @@ import org.testng.annotations.Test;
  */
 public class FieldDefinitionTest extends AbstractSearchServicesE2ETest {
 	
-	private FileModel File1, File2;
+	private FileModel File1, File2, File3;
 		
 	@BeforeClass(alwaysRun = true)
     public void dataPreparation() throws Exception
@@ -66,9 +69,23 @@ public class FieldDefinitionTest extends AbstractSearchServicesE2ETest {
                 .updateProperty("allfieldtypes:textPatternMany", "mltext field definition test")
 		        .updateProperty("allfieldtypes:textLOVWhole", "text field not tokenised")
 		        .updateProperty("allfieldtypes:mltextLOVWhole", "mltext field not tokenised");
-        
+
+        File3 = new FileModel("standard-file3.txt");
+
+        dataContent.usingUser(testUser).usingSite(testSite).createCustomContent(File3, "cmis:document",
+                new CustomObjectTypeProperties());
+
+        List<String> mlMultipleValue = new ArrayList<String>();
+        mlMultipleValue.add("oranges");
+        mlMultipleValue.add("apples");
+        mlMultipleValue.add("pears");
+
+        cmisApi.authenticateUser(testUser).usingResource(File3).addSecondaryTypes("P:allfieldtypes:text")
+                .updateProperty("allfieldtypes:multiplemltext", mlMultipleValue);
+
         waitForMetadataIndexing(File1.getName(), true);
         waitForMetadataIndexing(File2.getName(), true);
+        waitForMetadataIndexing(File3.getName(), true);
     }
 	
 	// A test to test the text field in the solr schema, using a single word 
@@ -198,4 +215,21 @@ public class FieldDefinitionTest extends AbstractSearchServicesE2ETest {
 		restClient.assertStatusCodeIs(HttpStatus.OK);
 		Assert.assertEquals(response.getPagination().getCount(), 0);
 	}
+
+        // A test having multiple mltext field in the solr schema
+        @Test(priority = 8)
+        public void testmlTextFieldMuliple()
+        {
+            SearchResponse response = queryAsUser(testUser, "allfieldtypes_multiplemltext:\"orange\"");
+            restClient.assertStatusCodeIs(HttpStatus.OK);
+            Assert.assertEquals(response.getPagination().getCount(), 1);
+
+            response = queryAsUser(testUser, "allfieldtypes_multiplemltext:\"apple\"");
+            restClient.assertStatusCodeIs(HttpStatus.OK);
+            Assert.assertEquals(response.getPagination().getCount(), 1);
+
+            response = queryAsUser(testUser, "allfieldtypes_multiplemltext:\"pear\"");
+            restClient.assertStatusCodeIs(HttpStatus.OK);
+            Assert.assertEquals(response.getPagination().getCount(), 1);
+        }
 }
diff --git a/search-services/alfresco-search/src/main/java/org/alfresco/solr/SolrInformationServer.java b/search-services/alfresco-search/src/main/java/org/alfresco/solr/SolrInformationServer.java
index ffc3f3960..0f9711e68 100644
--- a/search-services/alfresco-search/src/main/java/org/alfresco/solr/SolrInformationServer.java
+++ b/search-services/alfresco-search/src/main/java/org/alfresco/solr/SolrInformationServer.java
@@ -2321,14 +2321,27 @@ public class SolrInformationServer implements InformationServer
         }
     }
 
-    void mltextProperty(QName propertyQName, MLTextPropertyValue value, final BiConsumer<String, Object> valueHolder)
+    void mltextProperty(QName propertyQName, MLTextPropertyValue value, final BiConsumer<String, Object> valueHolder, boolean merge)
     {
         AlfrescoSolrDataModel dataModel = AlfrescoSolrDataModel.getInstance();
         List<FieldInstance> fields = dataModel.getIndexedFieldNamesForProperty(propertyQName).getFields();
 
         String storedFieldName = dataModel.getStoredMLTextField(propertyQName);
 
-        valueHolder.accept(storedFieldName, getLocalisedValues(value));
+        List<String> localisedValues = getLocalisedValues(value);
+
+        // On ML multivalued fields, we cannot add multiple arrays to the set, we need to merge the values into the
+        // pre-set array created by our implementation of addField on PartialSolrInputDocument. This does not apply to
+        // SolrInputDocument that uses the default implementation of addField.
+        if (merge)
+        {
+            localisedValues.forEach(val -> valueHolder.accept(storedFieldName, val));
+        }
+        else
+        {
+            valueHolder.accept(storedFieldName, localisedValues);
+        }
+
         fields.stream()
             .filter(FieldInstance::isSort)
             .forEach(field -> addMLTextProperty(valueHolder, field, value));
@@ -2406,7 +2419,7 @@ public class SolrInformationServer implements InformationServer
                     }
                     else if (value instanceof MLTextPropertyValue)
                     {
-                        mltextProperty(propertyQName,(MLTextPropertyValue) value, setAndCollect);
+                        mltextProperty(propertyQName,(MLTextPropertyValue) value, setAndCollect, false);
                     }
                     else if (value instanceof ContentPropertyValue)
                     {
@@ -2431,7 +2444,8 @@ public class SolrInformationServer implements InformationServer
                             }
                             else if (singleValue instanceof MLTextPropertyValue)
                             {
-                                mltextProperty(propertyQName,(MLTextPropertyValue) singleValue, addAndCollect);
+                                boolean merge = (document instanceof PartialSolrInputDocument);
+                                mltextProperty(propertyQName,(MLTextPropertyValue) singleValue, addAndCollect, merge);
                             }
                             else if (singleValue instanceof ContentPropertyValue)
                             {