diff --git a/app/Services/ImportProcessor.php b/app/Services/ImportProcessor.php
index 922fc47..4966dac 100644
--- a/app/Services/ImportProcessor.php
+++ b/app/Services/ImportProcessor.php
@@ -3118,9 +3118,10 @@ private function upsertAddress(int $personId, array $addrData, $mappings): array
         if (mb_strlen($addressLine) < 3) {
             return ['action' => 'skipped', 'message' => 'Invalid address value'];
         }
-        // Allow letters (incl. diacritics), numbers, and common separators
-        if (! preg_match('/^[\\p{L}0-9\\s\\.,\\-\\/\\#\\\'"\\(\\)&]+$/u', $addressLine)) {
-            return ['action' => 'skipped', 'message' => 'Invalid address value'];
+        // If identical address already exists anywhere, skip to avoid constraint violation
+        $existingAny = PersonAddress::where('address', $addressLine)->first();
+        if ($existingAny && $existingAny->person_id !== $personId) {
+            return ['action' => 'skipped', 'message' => 'Address already exists for another person'];
         }
         // Default country SLO if not provided
         if (! isset($addrData['country']) || $addrData['country'] === null || $addrData['country'] === '') {