diff --git a/themes/modern-es-de/README.md b/themes/modern-es-de/README.md
index 789807984..24b9b42de 100644
--- a/themes/modern-es-de/README.md
+++ b/themes/modern-es-de/README.md
@@ -26,10 +26,11 @@ The following options are included:
 - 4:3
 - 21:9
 
-14 languages:
+15 languages:
 
 - English (United States)
 - English (United Kingdom)
+- Català
 - Deutsch
 - Español (España)
 - Français
diff --git a/themes/modern-es-de/capabilities.xml b/themes/modern-es-de/capabilities.xml
index fda9237a9..04269a4aa 100644
--- a/themes/modern-es-de/capabilities.xml
+++ b/themes/modern-es-de/capabilities.xml
@@ -7,6 +7,7 @@
 
     <language>en_US</language>
     <language>en_GB</language>
+    <language>ca_ES</language>
     <language>de_DE</language>
     <language>es_ES</language>
     <language>fr_FR</language>
@@ -31,6 +32,7 @@
     <colorScheme name="dark">
         <label language="en_US">Dark</label>
         <label language="en_GB">Dark</label>
+        <label language="ca_ES">Fosc</label>
         <label language="de_DE">Dunkel</label>
         <label language="es_ES">Oscuro</label>
         <label language="fr_FR">Foncé</label>
@@ -48,6 +50,7 @@
     <colorScheme name="light">
         <label language="en_US">Light</label>
         <label language="en_GB">Light</label>
+        <label language="ca_ES">Clar</label>
         <label language="de_DE">Hell</label>
         <label language="es_ES">Claro</label>
         <label language="fr_FR">Clair</label>
@@ -65,6 +68,7 @@
     <transitions name="instant">
         <label language="en_US">Instant</label>
         <label language="en_GB">Instant</label>
+        <label language="ca_ES">Instantani</label>
         <label language="de_DE">Sofort</label>
         <label language="es_ES">Instantanea</label>
         <label language="fr_FR">Instantané</label>
@@ -89,6 +93,7 @@
     <transitions name="instantAndSlide">
         <label language="en_US">Instant and slide</label>
         <label language="en_GB">Instant and slide</label>
+        <label language="ca_ES">Instantani i lliscar</label>
         <label language="de_DE">Sofort und gleiten</label>
         <label language="es_ES">Instantanea y deslizante</label>
         <label language="fr_FR">Instantané et glissement</label>
@@ -113,6 +118,7 @@
     <transitions name="instantAndFade">
         <label language="en_US">Instant and fade</label>
         <label language="en_GB">Instant and fade</label>
+        <label language="ca_ES">Instantani i desaparèixer</label>
         <label language="de_DE">Sofort und überblendung</label>
         <label language="es_ES">Instantanea y fundido</label>
         <label language="fr_FR">Instantané et fondu</label>
@@ -143,6 +149,7 @@
     <variant name="withVideos">
         <label language="en_US">Textlist with videos</label>
         <label language="en_GB">Textlist with videos</label>
+        <label language="ca_ES">Llistat amb vídeos</label>
         <label language="de_DE">Liste mit videos</label>
         <label language="es_ES">Lista con videos</label>
         <label language="fr_FR">Liste avec vidéos</label>
@@ -166,6 +173,7 @@
     <variant name="withoutVideos">
         <label language="en_US">Textlist without videos</label>
         <label language="en_GB">Textlist without videos</label>
+        <label language="ca_ES">Llistat sense vídeos</label>
         <label language="de_DE">Liste ohne videos</label>
         <label language="es_ES">Lista sin videos</label>
         <label language="fr_FR">Liste sans vidéos</label>
@@ -189,6 +197,7 @@
     <variant name="withVideosLegacy">
         <label language="en_US">Textlist with videos (legacy)</label>
         <label language="en_GB">Textlist with videos (legacy)</label>
+        <label language="ca_ES">Llistat amb vídeos (llegat)</label>
         <label language="de_DE">Liste mit videos (retro)</label>
         <label language="es_ES">Lista con videos (legacy)</label>
         <label language="fr_FR">Liste avec vidéos (legacy)</label>
@@ -212,6 +221,7 @@
     <variant name="withoutVideosLegacy">
         <label language="en_US">Textlist without videos (legacy)</label>
         <label language="en_GB">Textlist without videos (legacy)</label>
+        <label language="ca_ES">Llistat sense vídeos (llegat)</label>
         <label language="de_DE">Liste ohne videos (retro)</label>
         <label language="es_ES">Lista sin videos (legacy)</label>
         <label language="fr_FR">Liste sans vidéos (legacy)</label>
diff --git a/themes/modern-es-de/languages.xml b/themes/modern-es-de/languages.xml
index f3d389521..39ea49132 100644
--- a/themes/modern-es-de/languages.xml
+++ b/themes/modern-es-de/languages.xml
@@ -9,6 +9,17 @@
         <langLabelPublisher>Publisher</langLabelPublisher>
         <langUnknown>Unknown</langUnknown>
     </variables>
+    <language name="ca_ES">
+        <variables>
+            <langLabelRating>Valoració</langLabelRating>
+            <langLabelReleasedate>Llançament</langLabelReleasedate>
+            <langLabelPlayers>Jugadors</langLabelPlayers>
+            <langLabelGenre>Gènere</langLabelGenre>
+            <langLabelDeveloper>Desenvolupador</langLabelDeveloper>
+            <langLabelPublisher>Editor</langLabelPublisher>
+            <langUnknown>Desconegut</langUnknown>
+        </variables>
+    </language>
     <language name="de_DE">
         <variables>
             <langLabelRating>Bewertung</langLabelRating>