diff --git a/qfieldsync/core/offline_converter.py b/qfieldsync/core/offline_converter.py
index 110be584..6e617502 100644
--- a/qfieldsync/core/offline_converter.py
+++ b/qfieldsync/core/offline_converter.py
@@ -155,6 +155,12 @@ def convert(self):
                                                                         self.project_configuration.offline_copy_only_aoi):
                         raise Exception(self.tr("Error trying to convert layers to offline layers"))
 
+            # Disable project options that could create problems on a portable
+            # project with offline layers
+            if self.__offline_layers:
+                QgsProject.instance().setEvaluateDefaultValues(False)
+                QgsProject.instance().setAutoTransaction(False)
+
             # Now we have a project state which can be saved as offline project
             QgsProject.instance().write(project_path)
         finally: