diff --git a/src/DBConnection.cpp b/src/DBConnection.cpp
index fe24a4617..bc5a5de98 100644
--- a/src/DBConnection.cpp
+++ b/src/DBConnection.cpp
@@ -300,7 +300,7 @@ int DBConnection::CheckpointHook(void *data, sqlite3 *db, const char *schema, in
 
 ConnectionPtr::~ConnectionPtr()
 {
-   wxASSERT_MSG(mpConnection, wxT("Project file was not closed at shutdown"));
+   wxASSERT_MSG(!mpConnection, wxT("Project file was not closed at shutdown"));
 }
 
 static const AudacityProject::AttachedObjects::RegisteredFactory