diff --git a/src/main/java/com/gregtechceu/gtceu/api/capability/recipe/ItemRecipeCapability.java b/src/main/java/com/gregtechceu/gtceu/api/capability/recipe/ItemRecipeCapability.java
index f0630f505d..2f3c9a3b9b 100644
--- a/src/main/java/com/gregtechceu/gtceu/api/capability/recipe/ItemRecipeCapability.java
+++ b/src/main/java/com/gregtechceu/gtceu/api/capability/recipe/ItemRecipeCapability.java
@@ -559,6 +559,9 @@ public void applyWidgetInfo(@NotNull Widget widget,
                         tooltips.add(Component.translatable("gtceu.gui.content.per_tick"));
                     }
                 });
+                if (io == IO.IN && this.of(content.content).ingredient().getCustomIngredient() instanceof IntCircuitIngredient) {
+                    slot.setIngredientIO(IngredientIO.CATALYST);
+                }
             }
         }
     }