diff --git a/apps/locale/locale.html b/apps/locale/locale.html
index bac938ffa..6eb0d94ea 100644
--- a/apps/locale/locale.html
+++ b/apps/locale/locale.html
@@ -16,6 +16,7 @@
     <p>Then click <button id="upload" class="btn btn-primary">Upload</button></p>
 
     <script src="../../core/lib/customize.js"></script>
+    <script src="../../core/js/utils.js"></script>
     <script src="locales.js" charset="utf-8"></script>
 
     <script>
@@ -59,7 +60,7 @@ exports = { name : "en_GB", currencySym:"£",
         /*else if (chCode<256) // it's non-ascii, but <256 - just escape it
           n = chCode;*/
         else {
-          if (charFallbacks[ch]) return charFallbacks[ch];
+          if (CODEPAGE_CONVERSIONS[ch]) return CODEPAGE_CONVERSIONS[ch];
           console.error(`Locale ${lang}: Character ${ch} (${chCode}) is not in Code Page ${codePage.name}`);
           return undefined;
         }
diff --git a/apps/locale/locales.js b/apps/locale/locales.js
index c65e0b1d9..727007ab9 100644
--- a/apps/locale/locales.js
+++ b/apps/locale/locales.js
@@ -34,36 +34,8 @@ const codePages = {
 `.replace(/[ \n]/g,"")
   }
 };
-/* When it's not in the codepage, try and use
-these conversions */
-const charFallbacks = {
-  "ą":"a",
-  "ā":"a",
-  "å":"a",
-  "č":"c",
-  "ć":"c",
-  "ě":"e",
-  "ę":"e",
-  "ē":"e",
-  "æ":"e",
-  "ģ":"g",
-  "i":"ī",
-  "ķ":"k",
-  "ļ":"l",
-  "ł":"l",
-  "ń":"n",
-  "ņ":"n",
-  "ő":"o",
-  "ó":"o",
-  "ø":"o",
-  "ř":"r",
-  "ś":"s",
-  "š":"s",
-  "ū":"u",
-  "ż":"z",
-  "ź":"z",
-  "ž":"z",
- };
+
+// charFallbacks is now in core/js/utils.js as CODEPAGE_CONVERSIONS
 
 /*
 timePattern / datePattern:
@@ -594,7 +566,7 @@ var locales = {
     day: "Domingo,Segunda-feira,Terça-feira,Quarta-feira,Quinta-feira,Sexta-feira,Sábado",
     trans: { yes: "sim", Yes: "Sim", no: "não", No: "Não", ok: "certo", on: "ligado", off: "desligado" }
   },
-  "cs_CZ": { // THIS NEVER WORKED PROPERLY - many chars are not in the ISO8859-1 codepage and we use charFallbacks
+  "cs_CZ": { // THIS NEVER WORKED PROPERLY - many chars are not in the ISO8859-1 codepage and we use CODEPAGE_CONVERSIONS
     lang: "cs_CZ",
     decimal_point: ",",
     thousands_sep: " ",
diff --git a/core b/core
index e9097fa68..34ab74e66 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit e9097fa680182069a5814c3e566a0bcbcb5e72a1
+Subproject commit 34ab74e66906a296e4f5789339a1b8a64c50bec9