diff --git a/build/windows/installer/gimp3264.iss b/build/windows/installer/gimp3264.iss
index 7b90639c3d..40b82c7982 100755
--- a/build/windows/installer/gimp3264.iss
+++ b/build/windows/installer/gimp3264.iss
@@ -207,7 +207,7 @@ Name: "is"; MessagesFile: "compiler:Languages\Icelandic.isl,lang\is.setup.isl"
 Name: "it"; MessagesFile: "compiler:Languages\Italian.isl,lang\it.setup.isl"
 Name: "ja"; MessagesFile: "compiler:Languages\Japanese.isl,lang\ja.setup.isl"
 Name: "ka"; MessagesFile: "compiler:Languages\Unofficial\Georgian.isl,lang\ka.setup.isl"
-Name: "kab"; MessagesFile: "compiler:Default.isl,lang\kab.setup.isl"
+Name: "kab"; MessagesFile: "compiler:Default.isl,lang\kab.isl,lang\kab.setup.isl"
 Name: "ko"; MessagesFile: "compiler:Languages\Unofficial\Korean.isl,lang\ko.setup.isl"
 Name: "lt"; MessagesFile: "compiler:Languages\Unofficial\Lithuanian.isl,lang\lt.setup.isl"
 Name: "lv"; MessagesFile: "compiler:Languages\Unofficial\Latvian.isl,lang\lv.setup.isl"
diff --git a/build/windows/installer/lang/meson.build b/build/windows/installer/lang/meson.build
index c2ab94b53b..f7d5f13ec0 100644
--- a/build/windows/installer/lang/meson.build
+++ b/build/windows/installer/lang/meson.build
@@ -28,7 +28,7 @@ languages = [
   { 'code': 'it',    },
   { 'code': 'ja',    },
   { 'code': 'ka',    },
-  { 'code': 'kab',   },
+  { 'code': 'kab',   'langname': 'Taqbaylit' },
   { 'code': 'ko',    },
   { 'code': 'lt',    },
   { 'code': 'lv',    },
@@ -105,6 +105,21 @@ foreach language : languages
     ],
     build_by_default: true,
   )
+
+  if 'langname' in language
+    # Some languages may have no default language file provided by
+    # InnoSetup. When this happens, we must at least complete a very
+    # basic file showing the language name, otherwise it shows as
+    # "English".
+    newlang_isl = '@0@.isl'.format(language.get('code'))
+    newlang_conf = configuration_data()
+    newlang_conf.set('LANGNAME', language.get('langname'))
+    configure_file(
+      input : 'newlang.isl.in',
+      output : newlang_isl,
+      configuration : newlang_conf
+    )
+  endif
 endforeach
 
 test('windows-installer-langs',
diff --git a/build/windows/installer/lang/newlang.isl.in b/build/windows/installer/lang/newlang.isl.in
new file mode 100644
index 0000000000..a6a97aa96d
--- /dev/null
+++ b/build/windows/installer/lang/newlang.isl.in
@@ -0,0 +1,15 @@
+; A template to create the basic lang file for languages which are not
+; made available by InnoSetup, not even in the Unofficial/ folder.
+; See full list of languages:
+; https://github.com/jrsoftware/issrc/tree/main/Files/Languages
+;
+; Without this, they show as English in the
+; start list so we must add a language name (localized preferably) at
+; the very least.
+; See also the docs for the meanings of different fields:
+; https://jrsoftware.org/ishelp/index.php?topic=langoptionssection
+
+[LangOptions]
+LanguageName=@LANGNAME@
+LanguageID=$0
+LanguageCodePage=0