diff --git a/src/main/java/org/gcube/resources/discovery/icclient/Helper.java b/src/main/java/org/gcube/resources/discovery/icclient/Helper.java
index 28c6f77..15df64e 100644
--- a/src/main/java/org/gcube/resources/discovery/icclient/Helper.java
+++ b/src/main/java/org/gcube/resources/discovery/icclient/Helper.java
@@ -195,7 +195,7 @@ public class Helper {
 		} else 
 			queryFiltered= functionContainsDeclaration +queryFiltered;
 		
-		queryFiltered = queryFiltered.replaceAll("text() ne ","text() != ");
+		queryFiltered = queryFiltered.replaceAll("text\\(\\) ne ","text() != ");
 		
 		log.info("submitting filtered query: {}",queryFiltered);
 		
diff --git a/src/test/java/org/acme/StubClient.java b/src/test/java/org/acme/StubClient.java
index 9f6afea..569fb56 100644
--- a/src/test/java/org/acme/StubClient.java
+++ b/src/test/java/org/acme/StubClient.java
@@ -71,7 +71,7 @@ public class StubClient {
 		
 		SimpleQuery query = ICFactory.queryFor(ServiceEndpoint.class);
 		query.addCondition("$resource/Profile/Name/text() eq 'DataMiner'");
-		query.addCondition("$resource/Profile/AccessPoint/Description/text() != 'GetCapabilities'");
+		query.addCondition("$resource/Profile/AccessPoint/Description/text() ne 'GetCapabilities'");
 		query.setResult("<accesspoint>{$resource/Profile}</accesspoint>");
 		System.out.println(query.toString());
 		DiscoveryClient<String> client = ICFactory.client();