diff --git a/build/windows/installer/base_gimp3264.iss b/build/windows/installer/base_gimp3264.iss
index a1f1e4c59e..10c6374eaa 100644
--- a/build/windows/installer/base_gimp3264.iss
+++ b/build/windows/installer/base_gimp3264.iss
@@ -222,6 +222,7 @@ Name: "lv"; MessagesFile: "compiler:Languages\Unofficial\Latvian.isl,lang\lv.set
 Name: "mr"; MessagesFile: "compiler:Languages\Unofficial\Marathi.islu,lang\mr.setup.isl"
 Name: "ms"; MessagesFile: "compiler:Languages\Unofficial\Malaysian.isl,lang\ms.setup.isl"
 Name: "nl"; MessagesFile: "compiler:Languages\Dutch.isl,lang\nl.setup.isl"
+Name: "nn"; MessagesFile: "compiler:Languages\Norwegian.isl,lang\nn.setup.isl"
 Name: "pl"; MessagesFile: "compiler:Languages\Polish.isl,lang\pl.setup.isl"
 Name: "pt"; MessagesFile: "compiler:Languages\Portuguese.isl,lang\pt.setup.isl"
 Name: "pt_BR"; MessagesFile: "compiler:Languages\BrazilianPortuguese.isl,lang\pt_BR.setup.isl"
diff --git a/build/windows/installer/lang/meson.build b/build/windows/installer/lang/meson.build
index b76db50fc5..58810c7fd6 100644
--- a/build/windows/installer/lang/meson.build
+++ b/build/windows/installer/lang/meson.build
@@ -37,6 +37,7 @@ languages = [
   { 'code': 'mr',    },
   { 'code': 'ms',    },
   { 'code': 'nl',    },
+  { 'code': 'nn',    },
   { 'code': 'pl',    },
   { 'code': 'pt',    },
   { 'code': 'pt_BR', },