diff --git a/CHANGELOG.md b/CHANGELOG.md
index cb3410a..6283f00 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   that allows to get a subentry by its data key.
 - `serde-extension`: Introduce a more generic `ReaderWriter` for `MutableStructuredConfigEntry`s.
 - `weaver-pojo`: Make maps with string keys into their own weavable entry type.
+- `weaver-pojo-serde-ext`: Such string map entries get serde using the `MutableStructuredConfigEntry` interface.
 
 ## [0.8.1] - 2026-04-26
 
diff --git a/tweed5/serde-extension/src/main/java/de/siphalor/tweed5/serde/extension/impl/DefaultTweedEntryReaderWriterImplsProvider.java b/tweed5/serde-extension/src/main/java/de/siphalor/tweed5/serde/extension/impl/DefaultTweedEntryReaderWriterImplsProvider.java
index 14e944a..a1c2b17 100644
--- a/tweed5/serde-extension/src/main/java/de/siphalor/tweed5/serde/extension/impl/DefaultTweedEntryReaderWriterImplsProvider.java
+++ b/tweed5/serde-extension/src/main/java/de/siphalor/tweed5/serde/extension/impl/DefaultTweedEntryReaderWriterImplsProvider.java
@@ -51,6 +51,12 @@ public class DefaultTweedEntryReaderWriterImplsProvider implements TweedReaderWr
 		));
 		context.registerReaderFactory("tweed5.collection", new StaticReaderWriterFactory<>(collectionReaderWriter()));
 		context.registerWriterFactory("tweed5.collection", new StaticReaderWriterFactory<>(collectionReaderWriter()));
+		context.registerReaderFactory("tweed5.mutatableStruct", new StaticReaderWriterFactory<>(
+				mutableStructuredReaderWriter()
+		));
+		context.registerWriterFactory("tweed5.mutatableStruct", new StaticReaderWriterFactory<>(
+				mutableStructuredReaderWriter()
+		));
 		context.registerReaderFactory("tweed5.compound", new StaticReaderWriterFactory<>(compoundReaderWriter()));
 		context.registerWriterFactory("tweed5.compound", new StaticReaderWriterFactory<>(compoundReaderWriter()));
 	}
diff --git a/tweed5/weaver-pojo-serde-extension/src/main/java/de/siphalor/tweed5/weaver/pojoext/serde/api/auto/DefaultReadWriteMappings.java b/tweed5/weaver-pojo-serde-extension/src/main/java/de/siphalor/tweed5/weaver/pojoext/serde/api/auto/DefaultReadWriteMappings.java
index ee70650..89375e0 100644
--- a/tweed5/weaver-pojo-serde-extension/src/main/java/de/siphalor/tweed5/weaver/pojoext/serde/api/auto/DefaultReadWriteMappings.java
+++ b/tweed5/weaver-pojo-serde-extension/src/main/java/de/siphalor/tweed5/weaver/pojoext/serde/api/auto/DefaultReadWriteMappings.java
@@ -3,12 +3,14 @@ package de.siphalor.tweed5.weaver.pojoext.serde.api.auto;
 import de.siphalor.tweed5.annotationinheritance.api.AnnotationInheritance;
 import de.siphalor.tweed5.core.api.entry.CollectionConfigEntry;
 import de.siphalor.tweed5.core.api.entry.CompoundConfigEntry;
+import de.siphalor.tweed5.weaver.pojo.api.entry.WeavableStringMapConfigEntry;
 
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 import java.util.Collection;
+import java.util.Map;
 
 @AnnotationInheritance(passOn = AutoReadWriteMapping.class)
 @AutoReadWriteMapping(valueClasses = {boolean.class, Boolean.class}, spec = "tweed5.bool")
@@ -30,6 +32,11 @@ import java.util.Collection;
 		valueClasses = Object.class,
 		spec = "tweed5.compound"
 )
+@AutoReadWriteMapping(
+		entryClasses = WeavableStringMapConfigEntry.class,
+		valueClasses = Map.class,
+		spec = "tweed5.mutatableStruct"
+)
 @Retention(RetentionPolicy.RUNTIME)
 @Target({ElementType.FIELD, ElementType.TYPE, ElementType.ANNOTATION_TYPE})
 public @interface DefaultReadWriteMappings {