diff --git a/elements/10_electric/qet_directory b/elements/10_electric/qet_directory
index 7fe9306fc..be938de09 100644
--- a/elements/10_electric/qet_directory
+++ b/elements/10_electric/qet_directory
@@ -9,5 +9,6 @@
         <name lang="cs">Elektrotechnika</name>
         <name lang="en">Electric</name>
         <name lang="fr">Electrique</name>
+        <name lang="da">Elektrisk</name>
     </names>
 </qet-directory>
diff --git a/elements/20_logic/qet_directory b/elements/20_logic/qet_directory
index ec1af91a2..77be6a4ba 100644
--- a/elements/20_logic/qet_directory
+++ b/elements/20_logic/qet_directory
@@ -9,5 +9,6 @@
         <name lang="en">Logic</name>
         <name lang="nl">Logica</name>
         <name lang="ru">Логика</name>
+        <name lang="da">Logik</name>
     </names>
 </qet-directory>
diff --git a/elements/30_hydraulic/qet_directory b/elements/30_hydraulic/qet_directory
index 14647124a..81e4a571d 100644
--- a/elements/30_hydraulic/qet_directory
+++ b/elements/30_hydraulic/qet_directory
@@ -9,5 +9,6 @@
         <name lang="it">Idraulica</name>
         <name lang="nl">Hydrauliek</name>
         <name lang="ru">Гидравлика</name>
+        <name lang="da">Hydraulik</name>
     </names>
 </qet-directory>
diff --git a/elements/50_pneumatic/qet_directory b/elements/50_pneumatic/qet_directory
index 63c1ac38c..d71fa175e 100644
--- a/elements/50_pneumatic/qet_directory
+++ b/elements/50_pneumatic/qet_directory
@@ -9,5 +9,6 @@
         <name lang="it">Pneumatica</name>
         <name lang="nl">Pneumatiek</name>
         <name lang="ru">Пневматика</name>
+        <name lang="da">Pneumatik</name>
     </names>
 </qet-directory>
diff --git a/elements/60_energy/qet_directory b/elements/60_energy/qet_directory
index 84cdf4894..b8bd666e7 100644
--- a/elements/60_energy/qet_directory
+++ b/elements/60_energy/qet_directory
@@ -11,5 +11,6 @@
         <name lang="el">Ενέργεια</name>
         <name lang="nl">Energie</name>
         <name lang="ru">Сантехника</name>
+        <name lang="da">Energi</name>
     </names>
 </qet-directory>