diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/Comparer.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/Comparer.java
index e14924271..714d0f919 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/Comparer.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/Comparer.java
@@ -164,6 +164,8 @@ public class Comparer implements IComparer {
         if (stack != null && stack.hasTagCompound()) {
             switch (stack.getItem().getRegistryName().getResourceDomain()) {
                 case "mekanism":
+                case "mekanismgenerators":
+                case "mekanismtools":
                     stack.getTagCompound().removeTag("mekData");
                     break;
                 case "enderio":