diff --git a/scripts/ikonis-sheet.js b/scripts/ikonis-sheet.js
index 1260b9c..e5e6ce7 100644
--- a/scripts/ikonis-sheet.js
+++ b/scripts/ikonis-sheet.js
@@ -115,10 +115,13 @@ export function patchIkonisSheet() {
         const weaponFeatures = this.document.system.weaponFeatures || [];
         const allAugments = getAugments();
         
-        // Filter out native features that aren't Ikonis augments if needed, 
-        // but for now we'll just count total weapon features against slots
+        // Exclude Bonded from slot count
+        const allNativeFeatures = CONFIG.DH.ITEM.allWeaponFeatures() || {};
+        const bondedId = Object.keys(allNativeFeatures).find(k => allNativeFeatures[k].name === "Ikonis: Bonded");
+        const usedSlotsCount = weaponFeatures.filter(f => f.value !== bondedId).length;
+
         const maxSlots = getSlotCount(this.document);
-        if (weaponFeatures.length >= maxSlots) {
+        if (usedSlotsCount >= maxSlots) {
             ui.notifications.warn(`No more augment slots available! (Max: ${maxSlots})`);
             return;
         }