diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/httputils/HTTPCall.java b/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/httputils/HTTPCall.java
index 6152e42..42ac9a7 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/httputils/HTTPCall.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/httputils/HTTPCall.java
@@ -24,6 +24,8 @@ public class HTTPCall<C> {
 
 	private static final Logger logger = LoggerFactory
 			.getLogger(HTTPCall.class);
+
+	public static final String APPLICATION_JSON_CHARSET_UTF_8 = "application/json;charset=UTF-8";
 	
 	public enum HTTPMETHOD {
 		GET, POST, PUT, DELETE;
@@ -138,14 +140,14 @@ public class HTTPCall<C> {
 		
 		connection.setDoOutput(true);
 
-		connection.setRequestProperty("Content-type", "application/json");
+		connection.setRequestProperty("Content-type", APPLICATION_JSON_CHARSET_UTF_8);
 		connection.setRequestProperty("User-Agent", userAgent);
 
 		connection.setRequestMethod(method.toString());
-		
-		
+	
 		if (body != null
 				&& (method == HTTPMETHOD.POST || method == HTTPMETHOD.PUT)) {
+			
 			DataOutputStream wr = new DataOutputStream(
 					connection.getOutputStream());
 			wr.writeBytes(body);