diff --git a/core/src/fos/content/FOSBlocks.java b/core/src/fos/content/FOSBlocks.java
index c7d36655..ad155543 100644
--- a/core/src/fos/content/FOSBlocks.java
+++ b/core/src/fos/content/FOSBlocks.java
@@ -1282,6 +1282,7 @@ protected boolean canPump(Tile tile) {
             size = 3;
             solid = true;
             consumePower(3f);
+            researchCost = with(tin, 125, silver, 100);
             requirements(Category.units, with(tin, 250, silver, 200));
             drawer = new DrawMulti(
                 new DrawDefault(),