diff --git a/src/main/resources/data/createindustry/recipes/crafting/coke_oven.json b/src/main/resources/data/createindustry/recipes/crafting/coke_oven.json
index bddd48cf..34ac4535 100644
--- a/src/main/resources/data/createindustry/recipes/crafting/coke_oven.json
+++ b/src/main/resources/data/createindustry/recipes/crafting/coke_oven.json
@@ -10,7 +10,7 @@
     "I": {
       "item": "create:industrial_iron_block"
     },
-    "I": {
+    "C": {
       "tag": "forge:ingots/cast_iron"
     }
   },