diff --git a/shared/src/store/reducers/user-configuration.ts b/shared/src/store/reducers/user-configuration.ts
index 0b752cfe..4f1c27d2 100644
--- a/shared/src/store/reducers/user-configuration.ts
+++ b/shared/src/store/reducers/user-configuration.ts
@@ -274,7 +274,7 @@ export function getMacro(id: number) {
 }
 
 function generateAbbr(keymaps: Keymap[], abbr: string): string {
-    const chars: string[] = '123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split('');
+    const chars: string[] = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split('');
     let position = 0;
 
     while (keymaps.some((keymap: Keymap) => keymap.abbreviation === abbr)) {