diff --git a/app.py b/app.py
index 3dfce46..6e7e759 100644
--- a/app.py
+++ b/app.py
@@ -1,4 +1,4 @@
-from configparser import ConfigParser
+from modules import locale
 
 from blueprints.root import bp as root_bp
 from blueprints.risdeveau import bp as rdv_bp
@@ -6,64 +6,18 @@ from blueprints.risdeveau import bp as rdv_bp
 import blueprints.root.modules.style
 import blueprints.risdeveau.modules.style
 
-from flask import (
-    Flask,
-    g,
-    request,
-)
+from flask import Flask
 
 
-translations_cache = {}
-
-def load_translations(lang):
-    if lang not in translations_cache:
-        translations_cache[lang] = {}
-
-        try:
-            config = ConfigParser()
-            config.read(f'locale/{lang}.ini')
-            for section in config.sections():
-                translations_cache[lang][section] = dict(config.items(section))
-        except:
-            pass
-
-    return translations_cache[lang]
-
-
-def get_locale():
-    return request.accept_languages.best_match(('en', 'ru', 'de', 'fr', 'ja'), 'en')
-
 app = Flask(__name__, static_folder=None, subdomain_matching=True)
+
+app.before_request(locale.before_request)
+app.context_processor(locale.inject_translations)
+
 app.register_blueprint(root_bp)
 app.register_blueprint(rdv_bp)
 
 
-@app.before_request
-def before_request():
-    g.locale = get_locale()
-    g.translations = load_translations(g.locale)
-
-
-@app.context_processor
-def inject_translations():
-    def translate(text, **kwargs):
-        if ":" in text:
-            section, key = text.split(":", 1)
-        else:
-            section, key = "common", text
-
-        template = g.translations \
-            .get(section, {}) \
-            .get(key, f"${section}: {key}$")
-
-        try:
-            return template.format(**kwargs)
-        except:
-            return template
-
-    return {'_': translate}
-
-
 if app.debug:
     blueprints.root.modules.style.compile_styles()
     blueprints.risdeveau.modules.style.compile_styles()
diff --git a/modules/locale.py b/modules/locale.py
new file mode 100644
index 0000000..0887723
--- /dev/null
+++ b/modules/locale.py
@@ -0,0 +1,47 @@
+from configparser import ConfigParser
+from flask import g, request
+
+
+translations_cache = {}
+
+
+def load_translations(lang):
+    if lang not in translations_cache:
+        translations_cache[lang] = {}
+
+        try:
+            config = ConfigParser()
+            config.read(f'locale/{lang}.ini')
+            for section in config.sections():
+                translations_cache[lang][section] = dict(config.items(section))
+        except:
+            pass
+
+    return translations_cache[lang]
+
+def get_locale():
+    return request.accept_languages.best_match(
+        ('en', 'ru', 'de', 'fr', 'ja'),
+    ) or 'en'
+
+def before_request():
+    g.locale = get_locale()
+    g.translations = load_translations(g.locale)
+
+def inject_translations():
+    def translate(text, **kwargs):
+        if ":" in text:
+            section, key = text.split(":", 1)
+        else:
+            section, key = "common", text
+
+        template = g.translations \
+            .get(section, {}) \
+            .get(key, f"${section}: {key}$")
+
+        try:
+            return template.format(**kwargs)
+        except:
+            return template
+
+    return {'_': translate}