diff --git a/world/src/site/economy/mod.rs b/world/src/site/economy/mod.rs
index 60d900f160..fc6aa5b199 100644
--- a/world/src/site/economy/mod.rs
+++ b/world/src/site/economy/mod.rs
@@ -1421,11 +1421,20 @@ fn direct_use_goods() -> &'static [GoodIndex] {
     &*DIRECT_USE
 }
 
-#[derive(Default)]
 pub struct GraphInfo {
     dummy: Economy,
 }
 
+impl Default for GraphInfo {
+    fn default() -> Self {
+        let mut dummy = Economy::default();
+        // avoid economy of scale
+        dummy.pop = 0.0;
+        dummy.labors.iter_mut().for_each(|l| *l.1 = 0.0);
+        Self { dummy }
+    }
+}
+
 impl GraphInfo {
     pub fn get_orders(&self) -> &'static LaborMap<Vec<(GoodIndex, f32)>> { self.dummy.get_orders() }