diff --git a/.gitignore b/.gitignore
index c81ae116be42f6f966114e84b1a1347f6ea4b1de..c6538995194e9c170bdedd8b1a284dede6cbb484 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,9 +24,6 @@ pip-log.txt
 coverage*.xml
 nosetests*.xml
 
-#Translations
-*.mo
-
 #Mr Developer
 .mr.developer.cfg
 /node_modules/
diff --git a/rdiffweb/locales/ca/LC_MESSAGES/messages.mo b/rdiffweb/locales/ca/LC_MESSAGES/messages.mo
new file mode 100644
index 0000000000000000000000000000000000000000..a2e0bb980f1adbc5c39e602231e85ff8ca394105
Binary files /dev/null and b/rdiffweb/locales/ca/LC_MESSAGES/messages.mo differ
diff --git a/rdiffweb/locales/en/LC_MESSAGES/messages.mo b/rdiffweb/locales/en/LC_MESSAGES/messages.mo
new file mode 100644
index 0000000000000000000000000000000000000000..cb15ca413096f3b76bc84fe3f6b49008759cb332
Binary files /dev/null and b/rdiffweb/locales/en/LC_MESSAGES/messages.mo differ
diff --git a/rdiffweb/locales/es/LC_MESSAGES/messages.mo b/rdiffweb/locales/es/LC_MESSAGES/messages.mo
new file mode 100644
index 0000000000000000000000000000000000000000..23d02b6867f4c720d4ec526648875546f79df1fe
Binary files /dev/null and b/rdiffweb/locales/es/LC_MESSAGES/messages.mo differ
diff --git a/rdiffweb/locales/fr/LC_MESSAGES/messages.mo b/rdiffweb/locales/fr/LC_MESSAGES/messages.mo
new file mode 100644
index 0000000000000000000000000000000000000000..70ed0d531e1c486f4e99c168a8f344a342437dc8
Binary files /dev/null and b/rdiffweb/locales/fr/LC_MESSAGES/messages.mo differ
diff --git a/rdiffweb/locales/ru/LC_MESSAGES/messages.mo b/rdiffweb/locales/ru/LC_MESSAGES/messages.mo
new file mode 100644
index 0000000000000000000000000000000000000000..7304e93c7fbc9527b20d6a7bbc02063422554116
Binary files /dev/null and b/rdiffweb/locales/ru/LC_MESSAGES/messages.mo differ
diff --git a/rdiffweb/tests/test_i18n.py b/rdiffweb/tests/test_i18n.py
index 8d76425afc0a946f5cec10e91abccf167476b623..48d61cc16d130d325e49a536391bd268e352d833 100644
--- a/rdiffweb/tests/test_i18n.py
+++ b/rdiffweb/tests/test_i18n.py
@@ -143,7 +143,7 @@ class TestI18nWebCase(WebCase):
 
     def testLanguage_WithUnknown(self):
         #  Query the page without login-in
-        self.getPage("/", headers=[("Accept-Language", "es")])
+        self.getPage("/", headers=[("Accept-Language", "it")])
         self.assertStatus('200 OK')
         self.assertHeaderItemValue("Content-Language", "en_US")
         self.assertInBody("Sign in")
diff --git a/setup.cfg b/setup.cfg
index 30b596f3583edc765250f3fa7476add51857b0ea..51b222d1221dbba4805af346c12e7cf00d327308 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,7 +20,7 @@ domain = messages
 directory = rdiffweb/locales
 
 [compile_all_catalogs]
-locales = en, fr, ru
+locales = en, fr, ru, es, ca
 domain = messages
 directory = rdiffweb/locales