diff --git a/src/main/java/net/knarcraft/bookswithoutborders/command/CommandEncrypt.java b/src/main/java/net/knarcraft/bookswithoutborders/command/CommandEncrypt.java
index 098af57..d8490e2 100644
--- a/src/main/java/net/knarcraft/bookswithoutborders/command/CommandEncrypt.java
+++ b/src/main/java/net/knarcraft/bookswithoutborders/command/CommandEncrypt.java
@@ -2,6 +2,7 @@ package net.knarcraft.bookswithoutborders.command;
 
 import net.knarcraft.bookswithoutborders.BooksWithoutBorders;
 import net.knarcraft.bookswithoutborders.state.EncryptionStyle;
+import net.knarcraft.bookswithoutborders.state.ItemSlot;
 import net.knarcraft.bookswithoutborders.utility.EncryptionHelper;
 import net.knarcraft.bookswithoutborders.utility.InventoryHelper;
 import org.bukkit.command.Command;
@@ -83,7 +84,8 @@ public class CommandEncrypt implements TabExecutor {
      * @return <p>True if the book was encrypted successfully</p>
      */
     boolean encryptBook(EncryptionStyle encryptionStyle, Player player, String key, String group) {
-        ItemStack encryptedBook = EncryptionHelper.encryptBook(player, true, key, encryptionStyle, group);
+        ItemSlot heldSlot = InventoryHelper.getHeldSlotBook(player, false, false, true, true);
+        ItemStack encryptedBook = EncryptionHelper.encryptBook(player, heldSlot == ItemSlot.MAIN_HAND, key, encryptionStyle, group);
 
         if (encryptedBook != null) {
             InventoryHelper.setHeldWrittenBook(player, encryptedBook);