diff --git a/package-lock.json b/package-lock.json
index ede4e12..cce0b2b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@nmscd/coordinate-conversion",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@nmscd/coordinate-conversion",
-      "version": "1.2.1",
+      "version": "1.2.2",
       "license": "MIT",
       "devDependencies": {
         "@types/node": "^20.11.19",
diff --git a/package.json b/package.json
index 8027d8e..5bf744c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@nmscd/coordinate-conversion",
   "private": false,
-  "version": "1.2.1",
+  "version": "1.2.2",
   "type": "module",
   "description": "Library to convert NMS coordinates",
   "main": "./dist/coordinate-conversion.js",
diff --git a/src/converter/portal/portalCode.spec.ts b/src/converter/portal/portalCode.spec.ts
index 0caec8d..528610e 100644
--- a/src/converter/portal/portalCode.spec.ts
+++ b/src/converter/portal/portalCode.spec.ts
@@ -9,6 +9,13 @@ describe('Portal Coordinate Converter', () => {
       expect(result.isSuccess).toBeTruthy();
       expect(result.value.code).toBe('0C55:00D5:0922:0234');
     });
+
+    test('with valid coordinate and last expected digit being a character', () => {
+      const result = PortalCode({ code: '405EA21107FF' }).toGalacticCoordinates();
+      expect(result.isSuccess).toBeTruthy();
+      expect(result.value.code).toBe('0FFE:0021:090F:005E');
+    });
+
     test('with invalid coordinate', () => {
       const result = PortalCode({ code: '0000023456123456' }).toGalacticCoordinates();
       expect(result.isSuccess).toBeFalsy();
diff --git a/src/functions/convertCoords/coords2XYZ.spec.ts b/src/functions/convertCoords/coords2XYZ.spec.ts
index 7ca0524..c76d5a3 100644
--- a/src/functions/convertCoords/coords2XYZ.spec.ts
+++ b/src/functions/convertCoords/coords2XYZ.spec.ts
@@ -10,11 +10,11 @@ describe('Galactic to XYZ', () => {
     });
     test('output is the correct format', () => {
       const coords = coords2XYZ('0C55:00D5:0922:0234');
-      expect(coords!.voxelX).toBe(1110);
-      expect(coords!.voxelY).toBe(86);
-      expect(coords!.voxelZ).toBe(291);
-      expect(coords!.planetIndex).toBe(0);
-      expect(coords!.solarSystemIndex).toBe(564);
+      expect(coords.voxelX).toBe(1110);
+      expect(coords.voxelY).toBe(86);
+      expect(coords.voxelZ).toBe(291);
+      expect(coords.planetIndex).toBe(0);
+      expect(coords.solarSystemIndex).toBe(564);
     });
     test('invalid input', () => {
       const coords = coords2XYZ('00000C55:00D5:0922:0234');
diff --git a/src/functions/convertGlyphs/glyphs2Coords.ts b/src/functions/convertGlyphs/glyphs2Coords.ts
index 4406925..44b9065 100644
--- a/src/functions/convertGlyphs/glyphs2Coords.ts
+++ b/src/functions/convertGlyphs/glyphs2Coords.ts
@@ -38,7 +38,7 @@ export function glyphs2Coords(glyphs: string) {
   const coordData = [coords_x, coords_y, coords_z];
   const coordinates = coordData.map((coord) => coord.toString(16).toUpperCase().padStart(4, '0'));
 
-  coordinates[3] = system_idx.padStart(4, '0'); // NoSonar the 4 is to bump it to a length of 4
+  coordinates[3] = system_idx.padStart(4, '0').toUpperCase(); // NoSonar the 4 is to bump it to a length of 4
 
   return coordinates.join(':');
 }
diff --git a/src/index.ts b/src/index.ts
index 4cffe1d..07b6b14 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -23,6 +23,5 @@ export {
   type GlyphOutput,
   type VoxelCoordinates,
   type VoxelInput,
-  type VoxelOutput
+  type VoxelOutput,
 };
-