diff --git a/plugins/3MFReader/ThreeMFWorkspaceReader.py b/plugins/3MFReader/ThreeMFWorkspaceReader.py
index a3aadc79b8..a237460bab 100755
--- a/plugins/3MFReader/ThreeMFWorkspaceReader.py
+++ b/plugins/3MFReader/ThreeMFWorkspaceReader.py
@@ -902,7 +902,7 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
         base_file_name = os.path.basename(file_name)
         if base_file_name.endswith(".curaproject.3mf"):
             base_file_name = base_file_name[:base_file_name.rfind(".curaproject.3mf")]
-        Application.getInstance().projectFileLoaded.emit(base_file_name)
+        self.setWorkspaceName(base_file_name)
         return nodes
 
     ##  HACK: Replaces the material container in the given stack with a newly created material container.