diff --git a/reactos/base/applications/cacls/lang/ca-CA.rc b/reactos/base/applications/cacls/lang/ca-ES.rc
similarity index 100%
rename from reactos/base/applications/cacls/lang/ca-CA.rc
rename to reactos/base/applications/cacls/lang/ca-ES.rc
diff --git a/reactos/base/applications/cacls/rsrc.rc b/reactos/base/applications/cacls/rsrc.rc
index 5f6518b396b..47d1cdb201e 100644
--- a/reactos/base/applications/cacls/rsrc.rc
+++ b/reactos/base/applications/cacls/rsrc.rc
@@ -9,7 +9,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 
 /* include localised resources */
 #include "lang/bg-BG.rc"
-#include "lang/ca-CA.rc"
+#include "lang/ca-ES.rc"
 #include "lang/de-DE.rc"
 #include "lang/el-GR.rc"
 #include "lang/en-US.rc"
diff --git a/reactos/base/applications/calc/lang/ca-CA.rc b/reactos/base/applications/calc/lang/ca-ES.rc
similarity index 100%
rename from reactos/base/applications/calc/lang/ca-CA.rc
rename to reactos/base/applications/calc/lang/ca-ES.rc
diff --git a/reactos/base/applications/calc/rsrc.rc b/reactos/base/applications/calc/rsrc.rc
index e0c6f9d1c07..c4f0ca84b14 100644
--- a/reactos/base/applications/calc/rsrc.rc
+++ b/reactos/base/applications/calc/rsrc.rc
@@ -26,7 +26,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 IDI_CALCICON ICON "calculator.ico"
 
 #include "lang/bg-BG.rc"
-#include "lang/ca-CA.rc"
+#include "lang/ca-ES.rc"
 #include "lang/cs-CZ.rc"
 #include "lang/de-DE.rc"
 #include "lang/el-GR.rc"
diff --git a/reactos/base/applications/charmap/lang/ca-CA.rc b/reactos/base/applications/charmap/lang/ca-ES.rc
similarity index 100%
rename from reactos/base/applications/charmap/lang/ca-CA.rc
rename to reactos/base/applications/charmap/lang/ca-ES.rc
diff --git a/reactos/base/applications/charmap/rsrc.rc b/reactos/base/applications/charmap/rsrc.rc
index 01717398d40..8a261721b5d 100644
--- a/reactos/base/applications/charmap/rsrc.rc
+++ b/reactos/base/applications/charmap/rsrc.rc
@@ -8,7 +8,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 IDI_ICON ICON "res/charmap.ico"
 
 #include "lang/bg-BG.rc"
-#include "lang/ca-CA.rc"
+#include "lang/ca-ES.rc"
 #include "lang/en-US.rc"
 #include "lang/de-DE.rc"
 #include "lang/es-ES.rc"
diff --git a/reactos/base/applications/cmdutils/find/lang/ca-CA.rc b/reactos/base/applications/cmdutils/find/lang/ca-ES.rc
similarity index 100%
rename from reactos/base/applications/cmdutils/find/lang/ca-CA.rc
rename to reactos/base/applications/cmdutils/find/lang/ca-ES.rc
diff --git a/reactos/base/applications/cmdutils/find/rsrc.rc b/reactos/base/applications/cmdutils/find/rsrc.rc
index 1791b8dc574..56202252e5f 100644
--- a/reactos/base/applications/cmdutils/find/rsrc.rc
+++ b/reactos/base/applications/cmdutils/find/rsrc.rc
@@ -1,7 +1,7 @@
 #include <windows.h>
 #include "resource.h"
 
-#include "lang/ca-CA.rc"
+#include "lang/ca-ES.rc"
 #include "lang/de-DE.rc"
 #include "lang/en-US.rc"
 #include "lang/ru-RU.rc"
diff --git a/reactos/base/applications/cmdutils/more/lang/ca-CA.rc b/reactos/base/applications/cmdutils/more/lang/ca-ES.rc
similarity index 100%
rename from reactos/base/applications/cmdutils/more/lang/ca-CA.rc
rename to reactos/base/applications/cmdutils/more/lang/ca-ES.rc
diff --git a/reactos/base/applications/cmdutils/more/rsrc.rc b/reactos/base/applications/cmdutils/more/rsrc.rc
index d396706a19d..7c529eb8638 100644
--- a/reactos/base/applications/cmdutils/more/rsrc.rc
+++ b/reactos/base/applications/cmdutils/more/rsrc.rc
@@ -1,7 +1,7 @@
 #include <windows.h>
 #include "resource.h"
 
-#include "lang/ca-CA.rc"
+#include "lang/ca-ES.rc"
 #include "lang/de-DE.rc"
 #include "lang/en-US.rc"
 #include "lang/fr-FR.rc"
diff --git a/reactos/base/applications/control/lang/ca-CA.rc b/reactos/base/applications/control/lang/ca-ES.rc
similarity index 100%
rename from reactos/base/applications/control/lang/ca-CA.rc
rename to reactos/base/applications/control/lang/ca-ES.rc
diff --git a/reactos/base/applications/control/rsrc.rc b/reactos/base/applications/control/rsrc.rc
index 37dc7a73cfa..49134de3431 100644
--- a/reactos/base/applications/control/rsrc.rc
+++ b/reactos/base/applications/control/rsrc.rc
@@ -9,7 +9,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 
 /* include localised resources */
 #include "lang/bg-BG.rc"
-#include "lang/ca-CA.rc"
+#include "lang/ca-ES.rc"
 #include "lang/cs-CZ.rc"
 #include "lang/da-DK.rc"
 #include "lang/de-DE.rc"
diff --git a/reactos/base/applications/games/solitaire/lang/ca-CA.rc b/reactos/base/applications/games/solitaire/lang/ca-ES.rc
similarity index 100%
rename from reactos/base/applications/games/solitaire/lang/ca-CA.rc
rename to reactos/base/applications/games/solitaire/lang/ca-ES.rc
diff --git a/reactos/base/applications/games/solitaire/rsrc.rc b/reactos/base/applications/games/solitaire/rsrc.rc
index 1660b523f2a..c13d2d248aa 100644
--- a/reactos/base/applications/games/solitaire/rsrc.rc
+++ b/reactos/base/applications/games/solitaire/rsrc.rc
@@ -6,7 +6,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 IDI_SOLITAIRE ICON DISCARDABLE "solitaire.ico"
 
 #include "lang/bg-BG.rc"
-#include "lang/ca-CA.rc"
+#include "lang/ca-ES.rc"
 #include "lang/de-DE.rc"
 #include "lang/el-GR.rc"
 #include "lang/en-US.rc"
diff --git a/reactos/base/applications/games/winemine/lang/ca-CA.rc b/reactos/base/applications/games/winemine/lang/ca-ES.rc
similarity index 100%
rename from reactos/base/applications/games/winemine/lang/ca-CA.rc
rename to reactos/base/applications/games/winemine/lang/ca-ES.rc
diff --git a/reactos/base/applications/games/winemine/rsrc.rc b/reactos/base/applications/games/winemine/rsrc.rc
index 9ce47c0cb8f..a5d8343acd2 100644
--- a/reactos/base/applications/games/winemine/rsrc.rc
+++ b/reactos/base/applications/games/winemine/rsrc.rc
@@ -12,7 +12,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 
 /* include localised resources */
 #include "lang/bg-BG.rc"
-#include "lang/ca-CA.rc"
+#include "lang/ca-ES.rc"
 #include "lang/de-DE.rc"
 #include "lang/el-GR.rc"
 #include "lang/en-US.rc"
diff --git a/reactos/base/applications/msconfig/lang/ca-CA.rc b/reactos/base/applications/msconfig/lang/ca-ES.rc
similarity index 99%
rename from reactos/base/applications/msconfig/lang/ca-CA.rc
rename to reactos/base/applications/msconfig/lang/ca-ES.rc
index 726138ce8d3..d6e65113d48 100644
--- a/reactos/base/applications/msconfig/lang/ca-CA.rc
+++ b/reactos/base/applications/msconfig/lang/ca-ES.rc
@@ -1,4 +1,4 @@
-LANGUAGE LANG_CATALAN, SUBLANG_NEUTRAL
+LANGUAGE LANG_CATALAN, SUBLANG_DEFAULT
 
 IDD_MSCONFIG_DIALOG DIALOG DISCARDABLE  0, 0, 378, 220
 STYLE DS_CENTER | WS_MINIMIZEBOX | WS_POPUP |
diff --git a/reactos/base/applications/msconfig/rsrc.rc b/reactos/base/applications/msconfig/rsrc.rc
index da28045f005..42a427db79e 100644
--- a/reactos/base/applications/msconfig/rsrc.rc
+++ b/reactos/base/applications/msconfig/rsrc.rc
@@ -10,7 +10,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
 /* include localised resources */
 
 #include "lang/bg-BG.rc"
-#include "lang/ca-CA.rc"
+#include "lang/ca-ES.rc"
 #include "lang/cs-CZ.rc"
 #include "lang/de-DE.rc"
 #include "lang/en-US.rc"