diff --git a/src/main/java/org/gcube/resources/discovery/icclient/ICClient.java b/src/main/java/org/gcube/resources/discovery/icclient/ICClient.java
index 015cb2f..9b1de1d 100644
--- a/src/main/java/org/gcube/resources/discovery/icclient/ICClient.java
+++ b/src/main/java/org/gcube/resources/discovery/icclient/ICClient.java
@@ -47,7 +47,7 @@ public class ICClient implements DiscoveryClient<String> {
 			return splitIntoList(results);	
 		}
 		catch(MalformedQueryException e) {
-			throw new DiscoveryException("malformed query "+query.expression(),e);
+			throw new DiscoveryException("malformed query {} "+query.expression(),e);
 		}
 		catch(SOAPFaultException e) {
 			throw new RuntimeException(JAXWSUtils.remoteCause(e));
@@ -78,7 +78,7 @@ public class ICClient implements DiscoveryClient<String> {
 		
 		//find endpoint address in service map currently in scope
 		String address = ServiceMap.instance.endpoint(localname);
-		log.info("connectinfg to "+address);
+		log.info("connectinfg to {} ",address);
 		//obtain a JAXWS stub configured for gCube calls
 		return stubFor(collector).at(URI.create(address));
 	}