diff --git a/src/main/java/com/glodblock/github/inventory/item/WirelessMagnetCardFilterInventory.java b/src/main/java/com/glodblock/github/inventory/item/WirelessMagnetCardFilterInventory.java
index 181b2c94..f650e62a 100644
--- a/src/main/java/com/glodblock/github/inventory/item/WirelessMagnetCardFilterInventory.java
+++ b/src/main/java/com/glodblock/github/inventory/item/WirelessMagnetCardFilterInventory.java
@@ -266,7 +266,7 @@ public class WirelessMagnetCardFilterInventory extends BaseWirelessInventory imp
         public static WirelessMagnetCardFilterInventory getFilter(ItemStack is, int slot, IGridNode gridNode,
                 EntityPlayer player) {
             WirelessMagnetCardFilterInventory cachedInv = cache.get(player.getUniqueID());
-            if (cachedInv != null && cachedInv.checkCache(is)) {
+            if (cachedInv != null && cachedInv.checkCache(is) && gridNode == cachedInv.grid) {
                 return cachedInv;
             } else {
                 WirelessMagnetCardFilterInventory newInv = new WirelessMagnetCardFilterInventory(