diff --git a/manuskript/mainWindow.py b/manuskript/mainWindow.py
index db058101..21ebeb86 100644
--- a/manuskript/mainWindow.py
+++ b/manuskript/mainWindow.py
@@ -916,6 +916,10 @@ def loadProject(self, project, loadFromFile=True):
 
         If ``loadFromFile`` is False, then it does not load datas from file.
         It assumes that the datas have been populated in a different way."""
+
+        # Convert project path to OS norm
+        project = os.path.normpath(project)
+
         if loadFromFile and not os.path.exists(project):
             LOGGER.warning("The file {} does not exist. Has it been moved or deleted?".format(project))
             F.statusMessage(