diff --git a/code/websites/pokedex.online/tests/unit/composables/useGamemasterFiles.test.js b/code/websites/pokedex.online/tests/unit/composables/useGamemasterFiles.test.js
index e11faad..354a59c 100644
--- a/code/websites/pokedex.online/tests/unit/composables/useGamemasterFiles.test.js
+++ b/code/websites/pokedex.online/tests/unit/composables/useGamemasterFiles.test.js
@@ -197,7 +197,7 @@ describe('useGamemasterFiles', () => {
         available: [{ filename: 'moves.json', size: 3000 }]
       });
       await composable.loadStatus();
-      
+
       // Now set up the getMoves to fail
       mockClient.getMoves.mockRejectedValueOnce(new Error('Load failed'));
       composable.selectedFile.value = 'moves';
@@ -333,13 +333,17 @@ describe('useGamemasterFiles', () => {
       });
 
       it('should be true for large files', async () => {
-        // Create a large string that will split into many lines
-        const largeContent = Array(15000).fill('line').join('\n');
-        mockClient.getPokemon.mockResolvedValueOnce(largeContent);
+        // Create large array that when JSON stringified will have many lines
+        const largeData = {
+          items: Array(12000).fill({ id: 1, data: 'test' })
+        };
+        mockClient.getPokemon.mockResolvedValueOnce(largeData);
         composable.selectedFile.value = 'pokemon';
 
         await composable.loadFile();
 
+        // Verify we have many lines (JSON.stringify adds newlines for pretty-print)
+        expect(composable.fileLines.value.length).toBeGreaterThan(10000);
         expect(composable.fileTooLarge.value).toBe(true);
       });
     });