diff --git a/Common/src/main/java/at/petrak/hexcasting/common/casting/operators/stack/OpFishermanButItCopies.kt b/Common/src/main/java/at/petrak/hexcasting/common/casting/operators/stack/OpFishermanButItCopies.kt
index 6d5bf861..f78fe7be 100644
--- a/Common/src/main/java/at/petrak/hexcasting/common/casting/operators/stack/OpFishermanButItCopies.kt
+++ b/Common/src/main/java/at/petrak/hexcasting/common/casting/operators/stack/OpFishermanButItCopies.kt
@@ -18,7 +18,7 @@ object OpFishermanButItCopies : Action {
         if (stack.size < 2)
             throw MishapNotEnoughArgs(2, stack.size)
 
-        val depth = stack.getPositiveIntUnderInclusive(stack.lastIndex, stack.size - 1)
+        val depth = stack.getPositiveIntUnderInclusive(stack.lastIndex, stack.size - 2)
         stack.removeLast()
         val fish = stack.get(stack.size - 1 - depth)
         stack.add(fish)