diff --git a/config/config.exs b/config/config.exs
index 01cd4e484..6145a5c89 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -181,26 +181,8 @@ config :http_signatures,
 
 config :mobilizon, :cldr,
   locales: [
-    "ar",
-    "be",
-    "ca",
-    "cs",
-    "de",
-    "en",
-    "es",
-    "fi",
     "fr",
-    "gl",
-    "hu",
-    "it",
-    "ja",
-    "nl",
-    "nn",
-    "oc",
-    "pl",
-    "pt",
-    "ru",
-    "sv"
+    "en"
   ]
 
 config :mobilizon, :activitypub,
diff --git a/config/dev.exs b/config/dev.exs
index 265761685..a58b0c969 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -92,13 +92,6 @@ config :mobilizon, :instance,
 
 # config :mobilizon, :activitypub, sign_object_fetches: false
 
-# No need to compile every locale in development environment
-config :mobilizon, :cldr,
-  locales: [
-    "fr",
-    "en"
-  ]
-
 config :mobilizon, :anonymous,
   reports: [
     allowed: true
diff --git a/config/prod.exs b/config/prod.exs
index 5dd0e3b32..5107dc6bd 100644
--- a/config/prod.exs
+++ b/config/prod.exs
@@ -13,6 +13,31 @@ config :mobilizon, Mobilizon.Web.Endpoint,
 # Do not print debug messages in production
 config :logger, level: :info
 
+# Load all locales in production
+config :mobilizon, :cldr,
+  locales: [
+    "ar",
+    "be",
+    "ca",
+    "cs",
+    "de",
+    "en",
+    "es",
+    "fi",
+    "fr",
+    "gl",
+    "hu",
+    "it",
+    "ja",
+    "nl",
+    "nn",
+    "oc",
+    "pl",
+    "pt",
+    "ru",
+    "sv"
+  ]
+
 cond do
   System.get_env("INSTANCE_CONFIG") &&
       File.exists?("./config/#{System.get_env("INSTANCE_CONFIG")}") ->
diff --git a/lib/mobilizon/cldr.ex b/lib/mobilizon/cldr.ex
index 0188b8708..3759211f7 100644
--- a/lib/mobilizon/cldr.ex
+++ b/lib/mobilizon/cldr.ex
@@ -5,6 +5,10 @@ defmodule Mobilizon.Cldr do
 
   use Cldr,
     locales: Application.get_env(:mobilizon, :cldr)[:locales],
-    gettext: Mobilizon.Web.Gettext,
+    gettext:
+      if(Application.fetch_env!(:mobilizon, :env) == :prod,
+        do: Mobilizon.Web.Gettext,
+        else: nil
+      ),
     providers: [Cldr.Number, Cldr.Calendar, Cldr.DateTime, Cldr.Language]
 end