diff --git a/Contrib/Modern UI/Dutch.nsh b/Contrib/Modern UI/Dutch.nsh
index a3285c98..b1b5ec83 100644
--- a/Contrib/Modern UI/Dutch.nsh	
+++ b/Contrib/Modern UI/Dutch.nsh	
@@ -10,6 +10,8 @@
 
 !define MUI_DUTCH_USED
 
+  !define MUI_DUTCH_LANGNAME "Nederlands" ;Name of the language in the language itself (English, Deutsch, Français etc.)
+
   ;INSTALLER
   
   !ifdef MUI_LICENSEPAGE
diff --git a/Contrib/Modern UI/English.nsh b/Contrib/Modern UI/English.nsh
index 3054422d..c49c0ff9 100644
--- a/Contrib/Modern UI/English.nsh	
+++ b/Contrib/Modern UI/English.nsh	
@@ -10,6 +10,8 @@
 
 !define MUI_ENGLISH_USED
 
+  !define MUI_ENGLISH_LANGNAME "English" ;Name of the language in the language itself (English, Deutsch, Français etc.)
+
   ;INSTALLER
   
   !ifdef MUI_LICENSEPAGE
diff --git a/Contrib/Modern UI/French.nsh b/Contrib/Modern UI/French.nsh
index 9a45ee52..fd6d15d0 100644
--- a/Contrib/Modern UI/French.nsh	
+++ b/Contrib/Modern UI/French.nsh	
@@ -10,6 +10,8 @@
 
 !define MUI_FRENCH_USED
 
+  !define MUI_FRENCH_LANGNAME "Français" ;Name of the language in the language itself (English, Deutsch, Français etc.)
+
   ;INSTALLER
   
   !ifdef MUI_LICENSEPAGE
diff --git a/Contrib/Modern UI/German.nsh b/Contrib/Modern UI/German.nsh
index 9dc70c3f..665663ae 100644
--- a/Contrib/Modern UI/German.nsh	
+++ b/Contrib/Modern UI/German.nsh	
@@ -10,6 +10,8 @@
 
 !define MUI_GERMAN_USED
 
+  !define MUI_GERMAN_LANGNAME "Deutsch" ;Name of the language in the language itself (English, Deutsch, Français etc.)
+
   ;INSTALLER
 
   !ifdef MUI_LICENSEPAGE
diff --git a/Contrib/Modern UI/Spanish.nsh b/Contrib/Modern UI/Spanish.nsh
index ddb4546d..789f5552 100644
--- a/Contrib/Modern UI/Spanish.nsh	
+++ b/Contrib/Modern UI/Spanish.nsh	
@@ -10,6 +10,8 @@
 
 !define MUI_SPANISH_USED
 
+  !define MUI_SPANISH_LANGNAME "Español" ;Name of the language in the language itself (English, Deutsch, Français etc.)
+
   ;INSTALLER
   
   !ifdef MUI_LICENSEPAGE