diff --git a/src/main/java/gregtech/api/unification/OreDictUnifier.java b/src/main/java/gregtech/api/unification/OreDictUnifier.java
index a945fe5b4f5..aeaf123cdb2 100644
--- a/src/main/java/gregtech/api/unification/OreDictUnifier.java
+++ b/src/main/java/gregtech/api/unification/OreDictUnifier.java
@@ -217,8 +217,13 @@ public static boolean hasOreDictionary(@NotNull ItemStack itemStack, @NotNull St
         return wildcardNames != null && wildcardNames != names && wildcardNames.contains(oreDictName);
     }
 
-    public static List<ItemStack> getAllWithOreDictionaryName(String oreDictionaryName) {
-        return oreDictNameStacks.get(oreDictionaryName).stream()
+    public static @NotNull List<@NotNull ItemStack> getAllWithOreDictionaryName(@NotNull String oreDictionaryName) {
+        var stacks = oreDictNameStacks.get(oreDictionaryName);
+        if (stacks == null) {
+            return Collections.emptyList();
+        }
+
+        return stacks.stream()
                 .map(ItemStack::copy)
                 .collect(Collectors.toList());
     }
diff --git a/src/main/java/gregtech/integration/forestry/mutation/MaterialMutationCondition.java b/src/main/java/gregtech/integration/forestry/mutation/MaterialMutationCondition.java
index a4ea54cdf23..c063f0fbed8 100644
--- a/src/main/java/gregtech/integration/forestry/mutation/MaterialMutationCondition.java
+++ b/src/main/java/gregtech/integration/forestry/mutation/MaterialMutationCondition.java
@@ -2,6 +2,8 @@
 
 import gregtech.api.unification.OreDictUnifier;
 import gregtech.api.unification.material.Material;
+import gregtech.api.unification.ore.OrePrefix;
+import gregtech.api.unification.stack.UnificationEntry;
 import gregtech.api.util.LocalizationUtils;
 
 import net.minecraft.block.Block;
@@ -19,22 +21,21 @@
 import forestry.api.genetics.IGenome;
 import forestry.api.genetics.IMutationCondition;
 import forestry.core.tiles.TileUtil;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.HashSet;
 import java.util.Set;
 
-import static org.apache.commons.lang3.StringUtils.capitalize;
-
 public class MaterialMutationCondition implements IMutationCondition {
 
-    private final Set<IBlockState> acceptedBlocks = new HashSet();
+    private final Set<IBlockState> acceptedBlocks = new HashSet<>();
     private final String displayName;
 
-    public MaterialMutationCondition(Material material) {
+    public MaterialMutationCondition(@NotNull Material material) {
         this.displayName = LocalizationUtils.format("gregtech.mutation.block_of", material.getLocalizedName());
-        String oredictName = "block" + capitalize(material.getName());
+        String oreDictName = new UnificationEntry(OrePrefix.block, material).toString();
 
-        for (ItemStack ore : OreDictUnifier.getAllWithOreDictionaryName(oredictName)) {
+        for (ItemStack ore : OreDictUnifier.getAllWithOreDictionaryName(oreDictName)) {
             if (!ore.isEmpty()) {
                 Item oreItem = ore.getItem();
                 Block oreBlock = Block.getBlockFromItem(oreItem);
@@ -45,8 +46,10 @@ public MaterialMutationCondition(Material material) {
         }
     }
 
-    public float getChance(World world, BlockPos pos, IAllele allele0, IAllele allele1, IGenome genome0,
-                           IGenome genome1, IClimateProvider climate) {
+    @Override
+    public float getChance(@NotNull World world, @NotNull BlockPos pos, @NotNull IAllele allele0,
+                           @NotNull IAllele allele1, @NotNull IGenome genome0,
+                           @NotNull IGenome genome1, @NotNull IClimateProvider climate) {
         TileEntity tile;
         do {
             pos = pos.down();
@@ -57,7 +60,8 @@ public float getChance(World world, BlockPos pos, IAllele allele0, IAllele allel
         return this.acceptedBlocks.contains(blockState) ? 1.0F : 0.0F;
     }
 
-    public String getDescription() {
+    @Override
+    public @NotNull String getDescription() {
         return LocalizationUtils.format("for.mutation.condition.resource", this.displayName);
     }
 }