diff --git a/src/main/java/gregtech/api/enums/OrePrefixes.java b/src/main/java/gregtech/api/enums/OrePrefixes.java
index 03129109..40a0b538 100644
--- a/src/main/java/gregtech/api/enums/OrePrefixes.java
+++ b/src/main/java/gregtech/api/enums/OrePrefixes.java
@@ -669,7 +669,7 @@ public enum OrePrefixes {
                         aMaterial == Materials.NiobiumTitanium || aMaterial == Materials.CertusQuartz || aMaterial == Materials.NetherQuartz || aMaterial == Materials.Lazurite || aMaterial == Materials.Lapis ||
                         aMaterial == Materials.Paper || aMaterial == Materials.Jasper || aMaterial == Materials.Dilithium || aMaterial == Materials.Forcicium || aMaterial == Materials.Forcillium ||
                         aMaterial == Materials.EnderPearl || aMaterial == Materials.EnderEye || aMaterial == Materials.Glass || aMaterial == Materials.Copper || aMaterial == Materials.Tin || aMaterial == Materials.Redstone ||
-                        aMaterial == Materials.Sodalite || aMaterial == Materials.Gallium || aMaterial == Materials.GalliumArsenide || aMaterial == Materials.IndiumGalliumPhosphide))
+                        aMaterial == Materials.Sodalite || aMaterial == Materials.Gallium || aMaterial == Materials.GalliumArsenide || aMaterial == Materials.IndiumGalliumPhosphide || aMaterial == Materials.Tantalum))
                     plate.mDisabledItems.add(aMaterial);
                 //Ingot/Plate Storage
                 if (!enableUnusedDoubleIngots) ingotDouble.mDisabledItems.add(aMaterial);
@@ -703,7 +703,7 @@ public enum OrePrefixes {
                         aMaterial == Materials.Plastic || aMaterial == Materials.Silicone || aMaterial == Materials.PolyvinylChloride || aMaterial == Materials.PolyphenyleneSulfide ||
                 		aMaterial == Materials.Nichrome || aMaterial == Materials.BlackSteel || aMaterial == Materials.Titanium || aMaterial == Materials.TungstenSteel || 
                 		aMaterial == Materials.Tungsten || aMaterial == Materials.HSSG || aMaterial == Materials.NaquadahAlloy || aMaterial == Materials.Duranium || 
-                		aMaterial == Materials.Europium))
+                		aMaterial == Materials.Europium || aMaterial == Materials.Tantalum))
                     foil.mDisabledItems.add(aMaterial);
                 //Fine Wire
                 if (!enableUnusedFineWires && !(aMaterial == Materials.Steel || aMaterial == Materials.AnnealedCopper || aMaterial == Materials.Platinum || aMaterial == Materials.Osmium ||
@@ -1057,4 +1057,4 @@ public enum OrePrefixes {
         // Use Standard Localization
         return mLocalizedMaterialPre + "%material" + mLocalizedMaterialPost;
     }
-}
\ No newline at end of file
+}