--- a/Framework/PostgreSQL/PostgreSQLStatement.cpp	Tue Jul 17 08:50:53 2018 +0200
+++ b/Framework/PostgreSQL/PostgreSQLStatement.cpp	Wed Jul 18 12:27:40 2018 +0200
@@ -342,6 +342,19 @@
   }
 
 
+  PostgreSQLStatement::~PostgreSQLStatement()
+  {
+    try
+    {
+      Unprepare();
+    }
+    catch (Orthanc::OrthancException&)
+    {
+      // Ignore possible exceptions due to connection loss
+    }
+  }
+
+
   void PostgreSQLStatement::Run()
   {
     PGresult* result = reinterpret_cast<PGresult*>(Execute());