diff --git a/tests/core/test_detect_language.py b/tests/core/test_detect_language.py
index 2d16d73cf..7c46b94d2 100644
--- a/tests/core/test_detect_language.py
+++ b/tests/core/test_detect_language.py
@@ -1,3 +1,5 @@
+import pytest
+
 from intelligence_layer.core import (
     DetectLanguage,
     DetectLanguageInput,
@@ -6,17 +8,43 @@
 )
 
 
-def test_detect_language_returns_correct_language() -> None:
-    text = "Hello, my name is Niklas. I am working with Pit on this language detection piece."
+@pytest.mark.parametrize(
+    "text_input,expected_language",
+    [
+        (
+            "Hello, my name is Niklas. I am working with Pit on this language detection piece.",
+            Language("en"),
+        ),
+        (
+            "Hola, mi nombre es Niklas. Estoy trabajando con Pit en esta pieza de detección de idioma.",
+            Language("es"),
+        ),
+        (
+            "Ciao, mi chiamo Niklas. Sto lavorando con Pit su questo pezzo di rilevamento della lingua.",
+            Language("it"),
+        ),
+        (
+            "Hallo, mein Name ist Niklas. Ich arbeite mit Pit an diesem Stück zur Spracherkennung.",
+            Language("de"),
+        ),
+        (
+            "Bonjour, je m'appelle Niklas. Je travaille avec Pit sur cette pièce de détection de langue.",
+            Language("fr"),
+        ),
+    ],
+)
+def test_detect_language_returns_correct_language(
+    text_input: str, expected_language: Language
+) -> None:
     task = DetectLanguage()
     input = DetectLanguageInput(
-        text=text,
+        text=text_input,
         possible_languages=[Language(lang) for lang in ["en", "de", "fr", "it", "es"]],
     )
     tracer = NoOpTracer()
     output = task.run(input, tracer)
 
-    assert output.best_fit == Language("en")
+    assert output.best_fit == expected_language
 
 
 def test_detect_language_returns_non_if_no_language_can_be_detected() -> None: