diff --git a/src/main/java/refinedstorage/item/ItemNetworkCard.java b/src/main/java/refinedstorage/item/ItemNetworkCard.java
index 57893119f..8edbe2cdc 100755
--- a/src/main/java/refinedstorage/item/ItemNetworkCard.java
+++ b/src/main/java/refinedstorage/item/ItemNetworkCard.java
@@ -22,6 +22,8 @@ public class ItemNetworkCard extends ItemBase {
 
     public ItemNetworkCard() {
         super("network_card");
+
+        setMaxStackSize(1);
     }
 
     @Override