diff --git a/src/Translator.php b/src/Translator.php
index e3e0530..31aa71a 100644
--- a/src/Translator.php
+++ b/src/Translator.php
@@ -331,7 +331,7 @@ public function translate(
 		$translated = $this->trans($message, $params, $domain, $locale);
 
 		if ($this->returnOriginalMessage) {
-			if (!$this->getCatalogue()->has($message, $domain)) {
+			if (!$this->getCatalogue($locale)->has($message, $domain)) {
 				return $originalMessage;
 			}
 		}
diff --git a/tests/Tests/TranslatorTest.phpt b/tests/Tests/TranslatorTest.phpt
index b68101f..04d620a 100644
--- a/tests/Tests/TranslatorTest.phpt
+++ b/tests/Tests/TranslatorTest.phpt
@@ -213,6 +213,10 @@ final class TranslatorTest extends TestAbstract
 		Assert::same('It\'s a boy!', $translator->translate('baby_gender', ['gender' => 'boy']));
 		Assert::same('It\'s a girl!', $translator->translate('baby_gender', ['gender' => 'girl']));
 		Assert::same('It\'s something else!', $translator->translate('baby_gender', ['gender' => 'kibork']));
+
+		$translator->setLocale('en_US');
+
+		Assert::same('Přelož', $translator->translate('keyOnlyInCsCz', null, [], 'messages', 'cs_CZ'));
 	}
 
 	public function test03(): void
diff --git a/tests/lang/messages.cs_CZ.neon b/tests/lang/messages.cs_CZ.neon
index 8ce8d0d..5732ad1 100644
--- a/tests/lang/messages.cs_CZ.neon
+++ b/tests/lang/messages.cs_CZ.neon
@@ -1 +1,2 @@
 plural: "Kontakt|Kontakty|Hodně kontaktů"
+keyOnlyInCsCz: "Přelož"