--- a/Framework/PostgreSQL/PostgreSQLTransaction.h	Wed Dec 16 13:59:17 2020 +0100
+++ b/Framework/PostgreSQL/PostgreSQLTransaction.h	Wed Dec 16 15:05:19 2020 +0100
@@ -43,26 +43,26 @@
 
     ~PostgreSQLTransaction();
 
-    virtual bool IsImplicit() const
+    virtual bool IsImplicit() const ORTHANC_OVERRIDE
     {
       return false;
     }
     
-    virtual bool IsReadOnly() const 
+    virtual bool IsReadOnly() const  ORTHANC_OVERRIDE
     {
       return readOnly_;
     }
 
     void Begin();
 
-    virtual void Rollback();
+    virtual void Rollback() ORTHANC_OVERRIDE;
 
-    virtual void Commit();
+    virtual void Commit() ORTHANC_OVERRIDE;
 
     virtual IResult* Execute(IPrecompiledStatement& statement,
-                             const Dictionary& parameters);
+                             const Dictionary& parameters) ORTHANC_OVERRIDE;
 
     virtual void ExecuteWithoutResult(IPrecompiledStatement& statement,
-                                      const Dictionary& parameters);
+                                      const Dictionary& parameters) ORTHANC_OVERRIDE;
   };
 }