diff --git a/core/nodeslicer/nodes/system.py b/core/nodeslicer/nodes/system.py
index 69dc48b..236533a 100644
--- a/core/nodeslicer/nodes/system.py
+++ b/core/nodeslicer/nodes/system.py
@@ -99,14 +99,10 @@ class SLICENODE_PrusaslicerSlice(SliceNode):
         return super().evaluate_output(socket_name, **kwargs)
 
     def evaluate_for_index(self, index: int, operator=None) -> str:
-        mesh_groups: list[SlicingCollection | SlicingGroup] = self.resolve_multi_input("Slicing Group")
-        if index >= len(mesh_groups):
-            return ""
-
-        mesh_data = mesh_groups[index]
-        if not mesh_data:
-            return ""
-
+        # Optimization: Only resolve the specific mesh input for this index
+        target_id = f"Slicing Group_ms_in_{index}"
+        mesh_data: SlicingCollection | SlicingGroup = self.resolve(target_id)
+        
         conf_data = self.resolve("Config")
         overrides = self.resolve("Settings")