diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/context/security/SecurityContext.java b/src/main/java/org/gcube/informationsystem/resourceregistry/context/security/SecurityContext.java
index 1381099..96106f0 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/context/security/SecurityContext.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/context/security/SecurityContext.java
@@ -514,6 +514,7 @@ public class SecurityContext {
 		OrientGraphFactory factory = getFactory(permissionMode, false);
 		OrientGraph orientGraph = factory.getTx();
 		if(orientGraph.isClosed()) {
+			factory.close();
 			factory = getFactory(permissionMode, true);
 			orientGraph = factory.getTx();
 		}
@@ -524,6 +525,7 @@ public class SecurityContext {
 		OrientGraphFactory factory = getFactory(permissionMode, false);
 		OrientGraphNoTx orientGraphNoTx = factory.getNoTx();
 		if(orientGraphNoTx.isClosed()) {
+			factory.close();
 			factory = getFactory(permissionMode, true);
 			orientGraphNoTx = factory.getNoTx();
 		}
@@ -534,6 +536,7 @@ public class SecurityContext {
 		OrientGraphFactory factory = getFactory(permissionMode, false);
 		ODatabaseDocumentTx databaseDocumentTx = factory.getDatabase();
 		if(databaseDocumentTx.isClosed()) {
+			factory.close();
 			factory = getFactory(permissionMode, true);
 			databaseDocumentTx = factory.getDatabase();
 		}