diff --git a/lib/Providers/DAV/Calendar/Hybrid/EventCollection.php b/lib/Providers/DAV/Calendar/Hybrid/EventCollection.php
index 5cbfe8d..498c2d5 100644
--- a/lib/Providers/DAV/Calendar/Hybrid/EventCollection.php
+++ b/lib/Providers/DAV/Calendar/Hybrid/EventCollection.php
@@ -116,7 +116,7 @@ public function setName($id): void {
 	public function getACL(): array {
 		$permissions = $this->collection->permissions;
 		if ($permissions === null || count($permissions) === 0) {
-			$permissions = ['{DAV:}read'];
+			$permissions = ['{DAV:}read', '{DAV:}write-properties'];
 		}
 		return array_map(function ($permission) {
 			return [
diff --git a/lib/Providers/DAV/Contacts/Hybrid/ContactCollection.php b/lib/Providers/DAV/Contacts/Hybrid/ContactCollection.php
index 1842ad8..4023008 100644
--- a/lib/Providers/DAV/Contacts/Hybrid/ContactCollection.php
+++ b/lib/Providers/DAV/Contacts/Hybrid/ContactCollection.php
@@ -106,7 +106,7 @@ public function setName($id): void {
 	public function getACL(): array {
 		$permissions = $this->collection->permissions;
 		if ($permissions === null || count($permissions) === 0) {
-			$permissions = ['{DAV:}read'];
+			$permissions = ['{DAV:}read', '{DAV:}write-properties'];
 		}
 		return array_map(function ($permission) {
 			return [
diff --git a/lib/Service/Remote/RemoteContactsService.php b/lib/Service/Remote/RemoteContactsService.php
index a48bea7..2ffa6a2 100644
--- a/lib/Service/Remote/RemoteContactsService.php
+++ b/lib/Service/Remote/RemoteContactsService.php
@@ -346,7 +346,7 @@ private function toCollectionModel(string $id, array $so): Collection {
 			if (is_array($acl)) {
 				$permissions = RemoteConvert::extractPermissions($acl);
 				$to->permissions = $permissions[$owner] ?? [];
-			} elseif ($owner !== null && $owner === $this->dataStore->getPrincipalUrl()) {
+			} elseif ($owner !== null && RemoteConvert::extractUrlPath($owner) === $this->dataStore->getPrincipalUrl()) {
 				// Server did not return ACL entries; infer owner-level permission from the
 				// {DAV:}all property when it matches the authenticated principal.
 				$to->permissions = ['{DAV:}all'];
diff --git a/lib/Service/Remote/RemoteConvert.php b/lib/Service/Remote/RemoteConvert.php
index 08d4ab3..b67d674 100644
--- a/lib/Service/Remote/RemoteConvert.php
+++ b/lib/Service/Remote/RemoteConvert.php
@@ -11,6 +11,17 @@
 
 class RemoteConvert {
 
+	public static function extractUrlPath(?string $url): ?string {
+		if ($url === null || $url === '') {
+			return null;
+		}
+		$parsed = parse_url($url);
+		if (isset($parsed['host'])) {
+			return $parsed['path'] ?? null;
+		}
+		return $url;
+	}
+
 	public static function extractPermissions(array $acl): array {
 		$permissions = [];
 		foreach ($acl as $entry) {
diff --git a/lib/Service/Remote/RemoteEventsService.php b/lib/Service/Remote/RemoteEventsService.php
index 8028147..2479e47 100644
--- a/lib/Service/Remote/RemoteEventsService.php
+++ b/lib/Service/Remote/RemoteEventsService.php
@@ -349,7 +349,7 @@ private function toCollectionModel(string $id, array $so): Collection {
 			if (is_array($acl)) {
 				$permissions = RemoteConvert::extractPermissions($acl);
 				$to->permissions = $permissions[$owner] ?? [];
-			} elseif ($owner !== null && $owner === $this->dataStore->getPrincipalUrl()) {
+			} elseif ($owner !== null && RemoteConvert::extractUrlPath($owner) === $this->dataStore->getPrincipalUrl()) {
 				// Server did not return ACL entries; infer owner-level permission from the
 				// {DAV:}all property when it matches the authenticated principal.
 				$to->permissions = ['{DAV:}all'];