diff --git a/src/providers/postgres/qgspostgresdataitemguiprovider.cpp b/src/providers/postgres/qgspostgresdataitemguiprovider.cpp
index e1167a7799fe..3efe6edd5d83 100644
--- a/src/providers/postgres/qgspostgresdataitemguiprovider.cpp
+++ b/src/providers/postgres/qgspostgresdataitemguiprovider.cpp
@@ -1141,6 +1141,8 @@ void QgsPostgresDataItemGuiProvider::saveCurrentProject( QgsPGSchemaItem *schema
   pgProjectUri.schemaName = schemaItem->name();
   pgProjectUri.projectName = project->title().isEmpty() ? project->baseName() : project->title();
 
+  const QString previousTitle = project->title();
+
   if ( pgProjectUri.projectName.isEmpty() )
   {
     bool ok;
@@ -1148,6 +1150,7 @@ void QgsPostgresDataItemGuiProvider::saveCurrentProject( QgsPGSchemaItem *schema
     if ( ok && !projectName.isEmpty() )
     {
       pgProjectUri.projectName = projectName;
+      project->setTitle( projectName );
     }
     else
     {
@@ -1173,21 +1176,21 @@ void QgsPostgresDataItemGuiProvider::saveCurrentProject( QgsPGSchemaItem *schema
     notify( tr( "Save Project" ), tr( "Project “%1” exist in the database. Overwriting it." ).arg( pgProjectUri.projectName ), context, Qgis::MessageLevel::Info );
   }
 
-  // read the project, set title and new filename
-  QgsProject savedProject;
-  savedProject.read( project->fileName() );
-  savedProject.setFileName( projectUri );
+  const QString previousFileName = project->fileName();
+  project->setFileName( projectUri );
 
   // write project to the database
-  const bool success = savedProject.write();
+  const bool success = project->write();
   if ( !success )
   {
-    notify( tr( "Save Project" ), tr( "Unable to save project “%1” to “%2”." ).arg( savedProject.title(), schemaItem->name() ), context, Qgis::MessageLevel::Warning );
+    notify( tr( "Save Project" ), tr( "Unable to save project “%1” to “%2”." ).arg( project->title(), schemaItem->name() ), context, Qgis::MessageLevel::Warning );
     conn->unref();
+    project->setFileName( previousFileName );
+    project->setTitle( previousTitle );
     return;
   }
 
-  notify( tr( "Save Project" ), tr( "Project “%1” saved to schema “%2”." ).arg( savedProject.title(), schemaItem->name() ), context, Qgis::MessageLevel::Info );
+  notify( tr( "Save Project" ), tr( "Project “%1” saved to schema “%2”." ).arg( project->title(), schemaItem->name() ), context, Qgis::MessageLevel::Info );
 
   // refresh
   schemaItem->refresh();