diff --git a/src/gui/DatabaseTabWidget.cpp b/src/gui/DatabaseTabWidget.cpp
index 9dca1ac06..df0e1a1da 100644
--- a/src/gui/DatabaseTabWidget.cpp
+++ b/src/gui/DatabaseTabWidget.cpp
@@ -181,6 +181,7 @@ void DatabaseTabWidget::openDatabase(const QString& fileName, const QString& pw,
                     lockFile->tryLock();
                 }
             } else {
+                delete lockFile;
                 return;
             }
         }