diff --git a/components/actors/add.vue b/components/actors/add.vue
index 6cf04a2..308240b 100644
--- a/components/actors/add.vue
+++ b/components/actors/add.vue
@@ -148,6 +148,10 @@ async function addActor() {
 	gap: 1.25rem;
 }
 
+.input {
+	width: 100%;
+}
+
 .load-container {
 	width: 100%;
 	display: inline-flex;
diff --git a/components/actors/merge.vue b/components/actors/merge.vue
index 2dad31e..6d68874 100644
--- a/components/actors/merge.vue
+++ b/components/actors/merge.vue
@@ -52,7 +52,8 @@ function getActorNames() {
 async function merge() {
 	submitted.value = true;
 
-	await post(`/actors/${targetActor.value.id}/merge/${props.actors.map((actor) => actor.id).join(',')}`, {
+	await post(`/actors/${targetActor.value.id}/merge`, {
+		actorIds: props.actors.map((actor) => actor.id),
 		comment: comment.value || null,
 	}, {
 		successFeedback: `Merged ${getActorNames()} into ${targetActor.value.name}`,
diff --git a/components/emails/unavailable.vue b/components/emails/unavailable.vue
index b100c99..c344157 100644
--- a/components/emails/unavailable.vue
+++ b/components/emails/unavailable.vue
@@ -55,7 +55,7 @@ const mockUser = {
 					style="margin-top: 30px;"
 				>Someone tried to assign this e-mail address to a traxxx account.</Heading>
 
-				<Text style="font-size: 16px; margin: 20px 0;">If this was you with this account, your e-mail address is already set correctly. If this was you with another account, you will need to use another e-mail address. If this was not you, you can safely ignore this e-mail.</Text>
+				<Text style="font-size: 16px; margin: 20px 0;">If this was you with this account ({{ user.username }}), your e-mail address is already set correctly. If this was you with another account, you will need to use another e-mail address. If this was not you, you can safely ignore this e-mail.</Text>
 			</Container>
 		</Body>
 	</Html>
diff --git a/src/actors.js b/src/actors.js
index a03df63..4a209ca 100644
--- a/src/actors.js
+++ b/src/actors.js
@@ -870,7 +870,9 @@ export async function mergeActors(targetActorId, sourceActorIds, comment, reqUse
 			// some avatars are not matched to a profile, need to investigate why this happens and the avatar table needs a dedicated actor field
 			trx('actors_avatars')
 				.update('actor_id', targetActorId)
-				.whereIn('actor_id', sourceActorIds),
+				.whereIn('actor_id', sourceActorIds)
+				.onConflict(['profile_id', 'media_id'])
+				.ignore(),
 		]);
 
 		// multiple source actors may provide profiles for the same entity, but we can only assign one to the target actor; prefer the newest
diff --git a/src/web/actors.js b/src/web/actors.js
index d5badf8..780fb4f 100644
--- a/src/web/actors.js
+++ b/src/web/actors.js
@@ -194,7 +194,7 @@ export async function createActorApi(req, res) {
 export async function mergeActorsApi(req, res) {
 	const result = await mergeActors(
 		Number(req.params.targetActorId),
-		req.params.sourceActorIds.split(',').map((actorId) => Number(actorId)),
+		req.body.actorIds,
 		req.body.comment,
 		req.user,
 	);
@@ -225,7 +225,7 @@ export const actorsRouter = Router();
 actorsRouter.get('/api/actors', fetchActorsApi);
 actorsRouter.post('/api/actors', createActorApi);
 
-actorsRouter.post('/api/actors/:targetActorId/merge/:sourceActorIds', mergeActorsApi);
+actorsRouter.post('/api/actors/:targetActorId/merge', mergeActorsApi);
 
 actorsRouter.get('/api/revisions/actors', fetchActorRevisionsApi);
 actorsRouter.get('/api/revisions/actors/:revisionId', fetchActorRevisionsApi);