diff --git a/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/Default3PhaseManager.java b/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/Default3PhaseManager.java
index c6ec985..019c490 100644
--- a/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/Default3PhaseManager.java
+++ b/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/Default3PhaseManager.java
@@ -173,7 +173,7 @@ public class Default3PhaseManager extends SimpleLifeCycleManager implements Life
 
         callParameters.put("workspace", Files.fixFilename(req.getUseCaseDescriptor().getId()+"_internal_"+req.getContext().getName()));
         callParameters.put("indexName",Files.fixFilename(req.getUseCaseDescriptor().getId()+"_internal_"+req.getContext().getName()+"_centroids"));
-        callParameters.put("flagInternalIndex", true);
+        callParameters.put("flagInternalIndex", Boolean.TRUE);
         return callParameters;
     }
 
diff --git a/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/SimpleLifeCycleManager.java b/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/SimpleLifeCycleManager.java
index d97e27e..8e49858 100644
--- a/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/SimpleLifeCycleManager.java
+++ b/default-lc-managers/src/main/java/org/gcube/application/cms/plugins/implementations/SimpleLifeCycleManager.java
@@ -95,7 +95,7 @@ public class SimpleLifeCycleManager extends AbstractLifeCycleManager implements
         Document callParameters = new Document();
         callParameters.put("workspace",Files.fixFilename(req.getUseCaseDescriptor().getId()+req.getContext().getName()));
         callParameters.put("indexName",Files.fixFilename(req.getUseCaseDescriptor().getId()+req.getContext().getName()+"_centroids"));
-        callParameters.put("flagInternalIndex", false);
+        callParameters.put("flagInternalIndex", Boolean.FALSE);
         return callParameters;
     }