diff --git a/pglablib/ASyncDBConnection.cpp b/pglablib/ASyncDBConnection.cpp
index 0e131bd..d661dd6 100644
--- a/pglablib/ASyncDBConnection.cpp
+++ b/pglablib/ASyncDBConnection.cpp
@@ -217,6 +217,8 @@ bool ASyncDBConnectionThread::makeConnection()
 					}
 				}
 				else if (res == wait_result_stop) {
+					m_connection.close();
+					return false;
 
 				}
 			} // end while (true)