diff --git a/lib/src/main/java/org/asamk/signal/manager/storage/recipients/RecipientStore.java b/lib/src/main/java/org/asamk/signal/manager/storage/recipients/RecipientStore.java
index 486ec874..15685223 100644
--- a/lib/src/main/java/org/asamk/signal/manager/storage/recipients/RecipientStore.java
+++ b/lib/src/main/java/org/asamk/signal/manager/storage/recipients/RecipientStore.java
@@ -1490,9 +1490,14 @@ public class RecipientStore implements RecipientIdCreator, RecipientResolver, Re
             RecipientId toBeMergedRecipientId
     ) throws SQLException {
         final var contact = getContact(connection, recipientId);
+        final var toBeMergedContact = getContact(connection, toBeMergedRecipientId);
         if (contact == null) {
-            final var toBeMergedContact = getContact(connection, toBeMergedRecipientId);
             storeContact(connection, recipientId, toBeMergedContact);
+        } else if (toBeMergedContact != null) {
+            final var mergedContact = mergeContacts(contact, toBeMergedContact);
+            if (!contact.equals(mergedContact)) {
+                storeContact(connection, recipientId, mergedContact);
+            }
         }
 
         final var profileKey = getProfileKey(connection, recipientId);
@@ -1517,6 +1522,24 @@ public class RecipientStore implements RecipientIdCreator, RecipientResolver, Re
         recipientsMerged.put(toBeMergedRecipientId.id(), recipientId.id());
     }
 
+    static Contact mergeContacts(final Contact primary, final Contact secondary) {
+        final var profileSharingEnabled = primary.isProfileSharingEnabled() || secondary.isProfileSharingEnabled();
+        return Contact.newBuilder(primary)
+                .withGivenName(secondary.givenName())
+                .withFamilyName(secondary.familyName())
+                .withMessageExpirationTime(primary.messageExpirationTime() > 0
+                        ? primary.messageExpirationTime()
+                        : secondary.messageExpirationTime())
+                .withMessageExpirationTimeVersion(Math.max(primary.messageExpirationTimeVersion(),
+                        secondary.messageExpirationTimeVersion()))
+                .withMuteUntil(primary.muteUntil() > 0 ? primary.muteUntil() : secondary.muteUntil())
+                .withIsBlocked(primary.isBlocked() || secondary.isBlocked())
+                .withBlockedAt(Math.max(primary.blockedAt(), secondary.blockedAt()))
+                .withIsProfileSharingEnabled(profileSharingEnabled)
+                .withIsHidden(profileSharingEnabled ? false : primary.isHidden())
+                .build();
+    }
+
     private Optional<RecipientWithAddress> findByNumber(
             final Connection connection,
             final String number
diff --git a/lib/src/test/java/org/asamk/signal/manager/storage/recipients/RecipientStoreTest.java b/lib/src/test/java/org/asamk/signal/manager/storage/recipients/RecipientStoreTest.java
new file mode 100644
index 00000000..e2ae594c
--- /dev/null
+++ b/lib/src/test/java/org/asamk/signal/manager/storage/recipients/RecipientStoreTest.java
@@ -0,0 +1,93 @@
+package org.asamk.signal.manager.storage.recipients;
+
+import org.asamk.signal.manager.api.Contact;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class RecipientStoreTest {
+
+    @Test
+    void mergeContactsUsesAndroidMergePolicy() {
+        final var primary = Contact.newBuilder()
+                .withGivenName("Primary given")
+                .withFamilyName("Primary family")
+                .withNickName("Primary system nickname")
+                .withNickNameGivenName("Primary nickname given")
+                .withNickNameFamilyName("Primary nickname family")
+                .withNote("Primary note")
+                .withColor("Primary color")
+                .withMessageExpirationTimeVersion(2)
+                .withHideStory(true)
+                .withIsBlocked(false)
+                .withBlockedAt(100)
+                .withIsArchived(true)
+                .withIsHidden(true)
+                .withUnregisteredTimestamp(300L)
+                .build();
+        final var secondary = Contact.newBuilder()
+                .withGivenName("Secondary given")
+                .withFamilyName("Secondary family")
+                .withNickName("Secondary system nickname")
+                .withNickNameGivenName("Secondary nickname given")
+                .withNickNameFamilyName("Secondary nickname family")
+                .withNote("Secondary note")
+                .withColor("Secondary color")
+                .withMessageExpirationTime(60)
+                .withMessageExpirationTimeVersion(3)
+                .withMuteUntil(400)
+                .withIsBlocked(true)
+                .withBlockedAt(200)
+                .withIsProfileSharingEnabled(true)
+                .withIsHidden(true)
+                .withUnregisteredTimestamp(500L)
+                .build();
+
+        final var merged = RecipientStore.mergeContacts(primary, secondary);
+
+        assertEquals("Secondary given", merged.givenName());
+        assertEquals("Secondary family", merged.familyName());
+        assertEquals("Primary system nickname", merged.nickName());
+        assertEquals("Primary nickname given", merged.nickNameGivenName());
+        assertEquals("Primary nickname family", merged.nickNameFamilyName());
+        assertEquals("Primary note", merged.note());
+        assertEquals("Primary color", merged.color());
+        assertEquals(60, merged.messageExpirationTime());
+        assertEquals(3, merged.messageExpirationTimeVersion());
+        assertEquals(400, merged.muteUntil());
+        assertTrue(merged.hideStory());
+        assertTrue(merged.isBlocked());
+        assertEquals(200, merged.blockedAt());
+        assertTrue(merged.isArchived());
+        assertTrue(merged.isProfileSharingEnabled());
+        assertFalse(merged.isHidden());
+        assertEquals(300L, merged.unregisteredTimestamp());
+    }
+
+    @Test
+    void mergeContactsPrefersConfiguredPrimaryValues() {
+        final var primary = Contact.newBuilder()
+                .withColor("Primary color")
+                .withMessageExpirationTime(30)
+                .withMessageExpirationTimeVersion(4)
+                .withMuteUntil(100)
+                .withIsHidden(true)
+                .build();
+        final var secondary = Contact.newBuilder()
+                .withColor("Secondary color")
+                .withMessageExpirationTime(60)
+                .withMessageExpirationTimeVersion(3)
+                .withMuteUntil(200)
+                .build();
+
+        final var merged = RecipientStore.mergeContacts(primary, secondary);
+
+        assertEquals("Primary color", merged.color());
+        assertEquals(30, merged.messageExpirationTime());
+        assertEquals(4, merged.messageExpirationTimeVersion());
+        assertEquals(100, merged.muteUntil());
+        assertTrue(merged.isHidden());
+    }
+}