diff --git a/spring-modulith-events/spring-modulith-events-core/src/main/java/org/springframework/modulith/events/support/PersistentApplicationEventMulticaster.java b/spring-modulith-events/spring-modulith-events-core/src/main/java/org/springframework/modulith/events/support/PersistentApplicationEventMulticaster.java
index a0e315bb..cd135911 100644
--- a/spring-modulith-events/spring-modulith-events-core/src/main/java/org/springframework/modulith/events/support/PersistentApplicationEventMulticaster.java
+++ b/spring-modulith-events/spring-modulith-events-core/src/main/java/org/springframework/modulith/events/support/PersistentApplicationEventMulticaster.java
@@ -19,6 +19,7 @@ import java.lang.reflect.Method;
 import java.time.Duration;
 import java.util.Collection;
 import java.util.List;
+import java.util.Optional;
 import java.util.function.Consumer;
 import java.util.function.Predicate;
 import java.util.function.Supplier;
@@ -68,7 +69,8 @@ public class PersistentApplicationEventMulticaster extends AbstractApplicationEv
 	private static final Method SHOULD_HANDLE = ReflectionUtils.findMethod(ApplicationListenerMethodAdapter.class,
 			"shouldHandle", ApplicationEvent.class);
 
-	static final String REPUBLISH_ON_RESTART = "spring.modulith.republish-outstanding-events-on-restart";
+	static final String REPUBLISH_ON_RESTART = "spring.modulith.events.republish-outstanding-events-on-restart";
+	static final String REPUBLISH_ON_RESTART_LEGACY = "spring.modulith.republish-outstanding-events-on-restart";
 
 	private final @NonNull Supplier<EventPublicationRegistry> registry;
 	private final @NonNull Supplier<Environment> environment;
@@ -169,7 +171,12 @@ public class PersistentApplicationEventMulticaster extends AbstractApplicationEv
 	@Override
 	public void afterSingletonsInstantiated() {
 
-		if (!Boolean.TRUE.equals(environment.get().getProperty(REPUBLISH_ON_RESTART, Boolean.class))) {
+		var env = environment.get();
+
+		Boolean republishOnRestart = Optional.ofNullable(env.getProperty(REPUBLISH_ON_RESTART, Boolean.class))
+				.orElseGet(() -> env.getProperty(REPUBLISH_ON_RESTART_LEGACY, Boolean.class));
+
+		if (!Boolean.TRUE.equals(republishOnRestart)) {
 			return;
 		}
 
diff --git a/spring-modulith-events/spring-modulith-events-core/src/main/resources/META-INF/spring-configuration-metadata.json b/spring-modulith-events/spring-modulith-events-core/src/main/resources/META-INF/spring-configuration-metadata.json
index 6915b97d..2683dedb 100644
--- a/spring-modulith-events/spring-modulith-events-core/src/main/resources/META-INF/spring-configuration-metadata.json
+++ b/spring-modulith-events/spring-modulith-events-core/src/main/resources/META-INF/spring-configuration-metadata.json
@@ -10,7 +10,12 @@
 			"name": "spring.modulith.republish-outstanding-events-on-restart",
 			"type": "java.lang.Boolean",
 			"description": "Whether to republish outstanding event publications on restarts of the application.",
-			"defaultValue": "false"
+			"defaultValue": "false",
+			"deprecation": {
+				"replacement": "spring.modulith.events.republish-outstanding-events-on-restart", 
+				"reason": "Moved to spring.modulit.events namespace. To be removed in 1.4.",
+				"since" : "1.3"
+			}
 		},
 		{
 			"name": "spring.modulith.events.externalization.enabled",
@@ -23,6 +28,12 @@
 			"type": "org.springframework.modulith.events.support.CompletionMode",
 			"description": "How to complete event publications.",
 			"defaultValue": "update"
+		},
+		{
+			"name": "spring.modulith.events.republish-outstanding-events-on-restart",
+			"type": "java.lang.Boolean",
+			"description": "Whether to republish outstanding event publications on restarts of the application.",
+			"defaultValue": "false"
 		}
 	]
 }
diff --git a/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/support/PersistentApplicationEventMulticasterUnitTests.java b/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/support/PersistentApplicationEventMulticasterUnitTests.java
index b59d7d7d..10cc5fe9 100644
--- a/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/support/PersistentApplicationEventMulticasterUnitTests.java
+++ b/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/support/PersistentApplicationEventMulticasterUnitTests.java
@@ -76,6 +76,18 @@ class PersistentApplicationEventMulticasterUnitTests {
 		verify(registry).processIncompletePublications(any(), any(), any());
 	}
 
+	@Test // GH-240, GH-251, GH-823
+	void triggersRepublicationIfLegacyConfigExplicitlyEnabled() {
+
+		var source = new MapPropertySource("test",
+				Map.of(PersistentApplicationEventMulticaster.REPUBLISH_ON_RESTART_LEGACY, "true"));
+		environment.getPropertySources().addFirst(source);
+
+		multicaster.afterSingletonsInstantiated();
+
+		verify(registry).processIncompletePublications(any(), any(), any());
+	}
+
 	@Test // GH-277
 	void honorsListenerCondition() throws Exception {