diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00006f6..c2d8626 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## 3.0.1 under development
 
 - Enh #131: Throw `InvalidArgumentException` when missed "one" plural key (@vjik) 
+- Bug #132: Fix incorrect locale usage when category source is not exist and specified fallback locale (@vjik)
 
 ## 3.0.0 February 17, 2023
 
diff --git a/src/Translator.php b/src/Translator.php
index df0fcd8..880f98d 100644
--- a/src/Translator.php
+++ b/src/Translator.php
@@ -81,7 +81,7 @@ public function translate(
 
         if (empty($this->categorySources[$category])) {
             $this->dispatchMissingTranslationCategoryEvent($category);
-            return $this->defaultMessageFormatter->format((string) $id, $parameters, $locale);
+            return $this->defaultMessageFormatter->format((string) $id, $parameters, $this->fallbackLocale ?? $locale);
         }
 
         return $this->translateUsingCategorySources((string) $id, $parameters, $category, $locale);
diff --git a/tests/TranslatorTest.php b/tests/TranslatorTest.php
index 83dcba8..70ec6f1 100644
--- a/tests/TranslatorTest.php
+++ b/tests/TranslatorTest.php
@@ -662,6 +662,43 @@ public function format(string $message, array $parameters, string $locale): stri
         );
     }
 
+    public static function dataDefaultMessageFormatterWithoutCategory(): array
+    {
+        return [
+            'another-fallback-locale' => [
+                '(en)',
+                'en',
+            ],
+            'same-fallback-locale' => [
+                '(ru)',
+                'ru',
+            ],
+            'without-fallback-locale' => [
+                '(ru)',
+                null,
+            ],
+        ];
+    }
+
+    /**
+     * @dataProvider dataDefaultMessageFormatterWithoutCategory
+     */
+    public function testDefaultMessageFormatterWithoutCategory(string $expected, ?string $fallbackLocale)
+    {
+        $translator = new Translator(
+            locale: 'ru',
+            fallbackLocale: $fallbackLocale,
+            defaultMessageFormatter: new class () implements MessageFormatterInterface {
+                public function format(string $message, array $parameters, string $locale): string
+                {
+                    return '(' . $locale . ')';
+                }
+            },
+        );
+
+        $this->assertSame($expected, $translator->translate('test'));
+    }
+
     public function testFluentInterface(): void
     {
         $translator = new Translator();