diff --git a/meshroom/core/attribute.py b/meshroom/core/attribute.py
index 1a0157af..fffd4b51 100644
--- a/meshroom/core/attribute.py
+++ b/meshroom/core/attribute.py
@@ -535,6 +535,8 @@ class ListAttribute(Attribute):
         self.valueChanged.emit()
 
     def _set_value(self, value):
+        if isinstance(value, list) and value == self.getExportValue():
+            return
         if self.node.graph:
             self.remove(0, len(self))
         # Link to another attribute