diff --git a/reactos/base/system/format/De.rc b/reactos/base/system/format/de-DE.rc
similarity index 98%
rename from reactos/base/system/format/De.rc
rename to reactos/base/system/format/de-DE.rc
index 53bce37afd7..88fcf16018f 100644
--- a/reactos/base/system/format/De.rc
+++ b/reactos/base/system/format/de-DE.rc
@@ -1,6 +1,6 @@
 #include "resource.h"
 
-LANGUAGE LANG_GERMAN, SUBLANG_NEUTRAL
+LANGUAGE LANG_GERMAN, SUBLANG_GERMAN
 STRINGTABLE DISCARDABLE
 {
 
diff --git a/reactos/base/system/format/En.rc b/reactos/base/system/format/en-US.rc
similarity index 100%
rename from reactos/base/system/format/En.rc
rename to reactos/base/system/format/en-US.rc
diff --git a/reactos/base/system/format/format.rc b/reactos/base/system/format/format.rc
index ecd298d1477..dcc662b9040 100644
--- a/reactos/base/system/format/format.rc
+++ b/reactos/base/system/format/format.rc
@@ -4,8 +4,8 @@
 #define REACTOS_STR_ORIGINAL_FILENAME	"format.exe\0"
 #include <reactos/version.rc>
 
-#include "En.rc"
-#include "De.rc"
-#include "Fr.rc"
-#include "Hu.rc"
-#include "No.rc"
+#include "en-US.rc"
+#include "de-DE.rc"
+#include "fr-FR.rc"
+#include "hu-HU.rc"
+#include "nb-NO.rc"
diff --git a/reactos/base/system/format/Fr.rc b/reactos/base/system/format/fr-FR.rc
similarity index 98%
rename from reactos/base/system/format/Fr.rc
rename to reactos/base/system/format/fr-FR.rc
index c687c41b8c5..63a6583550e 100644
--- a/reactos/base/system/format/Fr.rc
+++ b/reactos/base/system/format/fr-FR.rc
@@ -7,7 +7,7 @@
  * Translation made by Jerome Signouret, 2005.
  */
 
-LANGUAGE LANG_FRENCH, SUBLANG_NEUTRAL
+LANGUAGE LANG_FRENCH, SUBLANG_FRENCH
 
 STRINGTABLE DISCARDABLE
 {
diff --git a/reactos/base/system/format/Hu.rc b/reactos/base/system/format/hu-HU.rc
similarity index 100%
rename from reactos/base/system/format/Hu.rc
rename to reactos/base/system/format/hu-HU.rc
diff --git a/reactos/base/system/format/Ja.rc b/reactos/base/system/format/ja-JP.rc
similarity index 100%
rename from reactos/base/system/format/Ja.rc
rename to reactos/base/system/format/ja-JP.rc
diff --git a/reactos/base/system/format/No.rc b/reactos/base/system/format/nb-NO.rc
similarity index 98%
rename from reactos/base/system/format/No.rc
rename to reactos/base/system/format/nb-NO.rc
index 8d71d4a4017..86c7d07ffde 100644
--- a/reactos/base/system/format/No.rc
+++ b/reactos/base/system/format/nb-NO.rc
@@ -4,7 +4,7 @@
  * By Magnus Olsen  2005
  */
 
-LANGUAGE LANG_NORWEGIAN, SUBLANG_NEUTRAL
+LANGUAGE LANG_NORWEGIAN, SUBLANG_NORWEGIAN_BOKMAL
 STRINGTABLE DISCARDABLE
 {
 STRING_HELP,  "bruk: %S stasjon: [-FS:fil-system] [-V:merke] [-Q] [-A:størrelse] [-C]\n\n\