diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 56841fd..9ced80c 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -14,19 +14,20 @@ jobs:
     strategy:
       matrix:
         php:
-          - 7.2
-          - 7.3
-          - 7.4
-          - 8.0
-          - 8.1
-          - 8.2
-          - 8.3
-          - 8.4
+          - "7.2"
+          - "7.3"
+          - "7.4"
+          - "8.0"
+          - "8.1"
+          - "8.2"
+          - "8.3"
+          - "8.4"
+          - "8.5"
       fail-fast: false
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
@@ -34,7 +35,7 @@ jobs:
           php-version: ${{ matrix.php }}
 
       - name: Cache PHP dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: vendor
           key: ${{ runner.os }}-php-${{ matrix.php }}-composer-${{ hashFiles('**/composer.json') }}
diff --git a/src/Generator/ArrayGenerator.php b/src/Generator/ArrayGenerator.php
index 60dfe9f..49843ce 100644
--- a/src/Generator/ArrayGenerator.php
+++ b/src/Generator/ArrayGenerator.php
@@ -76,8 +76,10 @@ public function generateArray(Translations $translations): array
             if (self::hasPluralTranslations($translation)) {
                 $messages[$context][$original] = $translation->getPluralTranslations($pluralSize);
                 array_unshift($messages[$context][$original], $translation->getTranslation());
+            } elseif ($pluralSize !== null && $pluralSize > 1 && (string) $translation->getPlural() !== '') {
+                $messages[$context][$original] = array_fill(0, $pluralSize, '');
             } else {
-                $messages[$context][$original] = $translation->getTranslation();
+                $messages[$context][$original] = (string) $translation->getTranslation();
             }
         }
 
diff --git a/tests/ArrayGeneratorTest.php b/tests/ArrayGeneratorTest.php
index b41d42c..a071a88 100644
--- a/tests/ArrayGeneratorTest.php
+++ b/tests/ArrayGeneratorTest.php
@@ -66,7 +66,7 @@ public function testArrayGeneratorWithEmptyTranslations()
             'messages' => [
                 '' => [
                     'Empty translation included' => '',
-                    'Inexistent translation included' => null,
+                    'Inexistent translation included' => '',
                 ],
             ],
         ];