diff --git a/src/branding/default/lang/calamares-default_ar.ts b/src/branding/default/lang/calamares-default_ar.ts
index 05463dd72..3c4fe0933 100644
--- a/src/branding/default/lang/calamares-default_ar.ts
+++ b/src/branding/default/lang/calamares-default_ar.ts
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
-<TS version="2.1" language="nl">
+<TS version="2.1" language="ar">
 <context>
     <name>show</name>
     <message>
@@ -11,7 +11,7 @@
     <message>
         <location filename="../show.qml" line="68"/>
         <source>This is a third Slide element.</source>
-	<translation>عرض الثالث</translation>
+        <translation>عرض الثالث</translation>
     </message>
 </context>
 </TS>
diff --git a/src/branding/default/lang/calamares-default_en.ts b/src/branding/default/lang/calamares-default_en.ts
index 30474fc02..b02dbd5b1 100644
--- a/src/branding/default/lang/calamares-default_en.ts
+++ b/src/branding/default/lang/calamares-default_en.ts
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
-<TS version="2.1" language="en_US">
+<TS version="2.1" language="en">
 <context>
     <name>show</name>
     <message>
diff --git a/src/branding/default/lang/calamares-default_eo.ts b/src/branding/default/lang/calamares-default_eo.ts
new file mode 100644
index 000000000..7d1ef4e82
--- /dev/null
+++ b/src/branding/default/lang/calamares-default_eo.ts
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE TS>
+<TS version="2.1" language="eo">
+<context>
+    <name>show</name>
+    <message>
+        <location filename="../show.qml" line="64"/>
+        <source>This is a second Slide element.</source>
+        <translation>Ĉi tio estas la dua gliteja.</translation>
+    </message>
+    <message>
+        <location filename="../show.qml" line="68"/>
+        <source>This is a third Slide element.</source>
+        <translation>Ĉi tio estas la tria gliteja.</translation>
+    </message>
+</context>
+</TS>
diff --git a/src/branding/default/lang/calamares-default_fr.ts b/src/branding/default/lang/calamares-default_fr.ts
index 9329e61ee..ec5e0411a 100644
--- a/src/branding/default/lang/calamares-default_fr.ts
+++ b/src/branding/default/lang/calamares-default_fr.ts
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
-<TS version="2.1" language="nl">
+<TS version="2.1" language="fr">
 <context>
     <name>show</name>
     <message>
@@ -11,7 +11,7 @@
     <message>
         <location filename="../show.qml" line="68"/>
         <source>This is a third Slide element.</source>
-	<translation>La troisième affice ce trouve ici.</translation>
+        <translation>La troisième affice ce trouve ici.</translation>
     </message>
 </context>
 </TS>
diff --git a/src/branding/default/lang/calamares-default_nl.ts b/src/branding/default/lang/calamares-default_nl.ts
index aad00eaf7..19fd58361 100644
--- a/src/branding/default/lang/calamares-default_nl.ts
+++ b/src/branding/default/lang/calamares-default_nl.ts
@@ -11,7 +11,7 @@
     <message>
         <location filename="../show.qml" line="68"/>
         <source>This is a third Slide element.</source>
-	<translation>Dit is het derde Dia element.</translation>
+        <translation>Dit is het derde Dia element.</translation>
     </message>
 </context>
 </TS>