diff --git a/easynmt/EasyNMT.py b/easynmt/EasyNMT.py
index 52a58df..5a7cee7 100755
--- a/easynmt/EasyNMT.py
+++ b/easynmt/EasyNMT.py
@@ -351,7 +351,7 @@ def language_detection(self, text: str) -> str:
                 http_get('https://dl.fbaipublicfiles.com/fasttext/supervised-models/lid.176.ftz', model_path)
             self._fasttext_lang_id = fasttext.load_model(model_path)
 
-        return self._fasttext_lang_id.predict(text.replace("\r\n", " ").replace("\n", " ").strip())[0][0].split('__')[-1]
+        return self._fasttext_lang_id.predict(text.lower().replace("\r\n", " ").replace("\n", " ").strip())[0][0].split('__')[-1]
 
     def sentence_splitting(self, text: str, lang: str = None):
         if lang == 'th':
diff --git a/easynmt/__init__.py b/easynmt/__init__.py
index 796c08d..d8dd2c5 100755
--- a/easynmt/__init__.py
+++ b/easynmt/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "1.0.0"
+__version__ = "1.0.1"
 __DOWNLOAD_SERVER__ = 'http://easynmt.net/models'
 
 
diff --git a/setup.py b/setup.py
index e25a761..660e51a 100755
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name="EasyNMT",
-    version="1.0.0",
+    version="1.0.1",
     author="Nils Reimers",
     author_email="info@nils-reimers.de",
     description="Easy to use state-of-the-art Neural Machine Translation",