diff --git a/distro/changelog.xml b/distro/changelog.xml
index 7e4f0a1..1776460 100644
--- a/distro/changelog.xml
+++ b/distro/changelog.xml
@@ -1,9 +1,14 @@
 <ReleaseNotes>
+	<Changeset component="org.gcube.data-catalogue.ckan-util-library.2-3-1"
+		date="2017-07-01">
+		<Change>Mime type fix for resources</Change>
+	</Changeset>
 	<Changeset component="org.gcube.data-catalogue.ckan-util-library.2-3-0"
 		date="2017-05-01">
 		<Change>Pom fixes</Change>
 		<Change>Moved to java 8</Change>
-		<Change>Added method to add a dataset to a group and its parents (if any)</Change>
+		<Change>Added method to add a dataset to a group and its parents (if
+			any)</Change>
 	</Changeset>
 	<Changeset component="org.gcube.data-catalogue.ckan-util-library.2-2-1"
 		date="2017-04-01">
@@ -13,7 +18,8 @@
 		date="2017-02-01">
 		<Change>Added method to delete/purge group</Change>
 		<Change>Project structure and so packages are changed (gwt-widget like
-			structure)</Change>
+			structure)
+		</Change>
 	</Changeset>
 	<Changeset component="org.gcube.data-catalogue.ckan-util-library.2-1-0"
 		date="2016-12-01">
@@ -31,9 +37,11 @@
 			instances of the utils class(cache)
 		</Change>
 		<Change>Added code to discover a new Application Profile (see ticket
-			#4925)</Change>
+			#4925)
+		</Change>
 		<Change>Added methods to manage group creation, assing a user/product
-			to a group</Change>
+			to a group
+		</Change>
 	</Changeset>
 	<Changeset component="org.gcube.data-catalogue.ckan-util-library.1-0-0"
 		date="2016-06-01">
diff --git a/pom.xml b/pom.xml
index 3e0ce44..ed719b2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 	</parent>
 	<groupId>org.gcube.data-catalogue</groupId>
 	<artifactId>ckan-util-library</artifactId>
-	<version>2.3.0-SNAPSHOT</version>
+	<version>2.3.1-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
 	<name>CKan utility library</name>
diff --git a/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogueImpl.java b/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogueImpl.java
index 67f9c7f..a9d1f6f 100644
--- a/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogueImpl.java
+++ b/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogueImpl.java
@@ -816,12 +816,14 @@ public class DataCatalogueImpl implements DataCatalogue{
 				List<CkanResource> resourcesCkan = new ArrayList<CkanResource>();
 				for(ResourceBean resource: resources){
 
+					logger.debug("Going to add resource described by " + resource);
 					CkanResource newResource = new CkanResource();
 					newResource.setDescription(resource.getDescription());
 					newResource.setId(resource.getId());
 					newResource.setUrl(resource.getUrl());
 					newResource.setName(resource.getName());
 					newResource.setMimetype(resource.getMimeType());
+					newResource.setFormat(resource.getMimeType());
 					newResource.setOwner(ckanUsername);
 					resourcesCkan.add(newResource);
 				}