diff --git a/src/main/java/li/cil/oc2/common/blockentity/DiskDriveBlockEntity.java b/src/main/java/li/cil/oc2/common/blockentity/DiskDriveBlockEntity.java
index cd1a81e8..5c869151 100644
--- a/src/main/java/li/cil/oc2/common/blockentity/DiskDriveBlockEntity.java
+++ b/src/main/java/li/cil/oc2/common/blockentity/DiskDriveBlockEntity.java
@@ -184,6 +184,12 @@ public final class DiskDriveBlockEntity extends ModBlockEntity {
             return 1;
         }
 
+        @Override
+        public CompoundTag serializeNBT() {
+            exportDeviceDataToItemStack(getStackInSlotRaw(0));
+            return super.serializeNBT();
+        }
+
         @Override
         protected void onContentsChanged(final int slot) {
             super.onContentsChanged(slot);