diff --git a/tweed5-core/src/main/java/de/siphalor/tweed5/core/api/entry/ConfigEntry.java b/tweed5-core/src/main/java/de/siphalor/tweed5/core/api/entry/ConfigEntry.java
index bc15db6..d6908d2 100644
--- a/tweed5-core/src/main/java/de/siphalor/tweed5/core/api/entry/ConfigEntry.java
+++ b/tweed5-core/src/main/java/de/siphalor/tweed5/core/api/entry/ConfigEntry.java
@@ -2,6 +2,7 @@ package de.siphalor.tweed5.core.api.entry;
 
 import de.siphalor.tweed5.core.api.extension.EntryExtensionsData;
 import de.siphalor.tweed5.core.api.container.ConfigContainer;
+import org.jetbrains.annotations.NotNull;
 
 public interface ConfigEntry<T> {
 	Class<T> valueClass();
@@ -13,4 +14,7 @@ public interface ConfigEntry<T> {
 
 	void visitInOrder(ConfigEntryVisitor visitor);
 	void visitInOrder(ConfigEntryValueVisitor visitor, T value);
+
+	@NotNull
+	T deepCopy(@NotNull T value);
 }
diff --git a/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/CoherentCollectionConfigEntryImpl.java b/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/CoherentCollectionConfigEntryImpl.java
index e73193d..ff08501 100644
--- a/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/CoherentCollectionConfigEntryImpl.java
+++ b/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/CoherentCollectionConfigEntryImpl.java
@@ -4,6 +4,7 @@ import de.siphalor.tweed5.core.api.entry.CoherentCollectionConfigEntry;
 import de.siphalor.tweed5.core.api.entry.ConfigEntry;
 import de.siphalor.tweed5.core.api.entry.ConfigEntryValueVisitor;
 import de.siphalor.tweed5.core.api.entry.ConfigEntryVisitor;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.Collection;
 import java.util.function.IntFunction;
@@ -52,4 +53,13 @@ public class CoherentCollectionConfigEntryImpl<E, T extends Collection<E>> exten
 			visitor.leaveCollectionEntry(this, value);
 		}
 	}
+
+	@Override
+	public @NotNull T deepCopy(@NotNull T value) {
+		T copy = collectionConstructor.apply(value.size());
+		for (E element : value) {
+			copy.add(elementEntry().deepCopy(element));
+		}
+		return copy;
+	}
 }
diff --git a/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/ReflectiveCompoundConfigEntryImpl.java b/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/ReflectiveCompoundConfigEntryImpl.java
index 2e83f25..d323cd4 100644
--- a/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/ReflectiveCompoundConfigEntryImpl.java
+++ b/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/ReflectiveCompoundConfigEntryImpl.java
@@ -6,6 +6,7 @@ import de.siphalor.tweed5.core.api.entry.ConfigEntryValueVisitor;
 import de.siphalor.tweed5.core.api.entry.ConfigEntryVisitor;
 import lombok.Getter;
 import lombok.Value;
+import org.jetbrains.annotations.NotNull;
 
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
@@ -113,6 +114,19 @@ public class ReflectiveCompoundConfigEntryImpl<T> extends BaseConfigEntryImpl<T>
 		}
 	}
 
+	@Override
+	public @NotNull T deepCopy(@NotNull T value) {
+		try {
+			T copy = instantiateCompoundValue();
+			for (CompoundEntry compoundEntry : compoundEntries.values()) {
+				compoundEntry.field.set(copy, compoundEntry.field.get(value));
+			}
+			return copy;
+		} catch (IllegalAccessException e) {
+			throw new IllegalStateException(e);
+		}
+	}
+
 	@Value
 	public static class CompoundEntry {
 		String name;
diff --git a/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/SimpleConfigEntryImpl.java b/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/SimpleConfigEntryImpl.java
index aa0a35c..6262cc3 100644
--- a/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/SimpleConfigEntryImpl.java
+++ b/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/SimpleConfigEntryImpl.java
@@ -3,6 +3,7 @@ package de.siphalor.tweed5.core.impl.entry;
 import de.siphalor.tweed5.core.api.entry.ConfigEntryValueVisitor;
 import de.siphalor.tweed5.core.api.entry.ConfigEntryVisitor;
 import de.siphalor.tweed5.core.api.entry.SimpleConfigEntry;
+import org.jetbrains.annotations.NotNull;
 
 public class SimpleConfigEntryImpl<T> extends BaseConfigEntryImpl<T> implements SimpleConfigEntry<T> {
 	public SimpleConfigEntryImpl(Class<T> valueClass) {
@@ -18,4 +19,10 @@ public class SimpleConfigEntryImpl<T> extends BaseConfigEntryImpl<T> implements
 	public void visitInOrder(ConfigEntryValueVisitor visitor, T value) {
 		visitor.visitEntry(this, value);
 	}
+
+	@Override
+	@NotNull
+	public T deepCopy(@NotNull T value) {
+		return value;
+	}
 }
diff --git a/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/StaticMapCompoundConfigEntryImpl.java b/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/StaticMapCompoundConfigEntryImpl.java
index 1378581..6484579 100644
--- a/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/StaticMapCompoundConfigEntryImpl.java
+++ b/tweed5-core/src/main/java/de/siphalor/tweed5/core/impl/entry/StaticMapCompoundConfigEntryImpl.java
@@ -81,4 +81,17 @@ public class StaticMapCompoundConfigEntryImpl<T extends Map<String, Object>> ext
 			visitor.leaveCompoundEntry(this, value);
 		}
 	}
+
+	@Override
+	public @NotNull T deepCopy(@NotNull T value) {
+		T copy = instantiateCompoundValue();
+		value.forEach((String key, Object element) -> {
+			//noinspection unchecked
+			ConfigEntry<Object> elementEntry = (ConfigEntry<Object>) compoundEntries.get(key);
+			if (elementEntry != null) {
+				copy.put(key, elementEntry.deepCopy(element));
+			}
+		});
+		return copy;
+	}
 }