diff --git a/lib/ai/formula_screen.dart b/lib/ai/formula_screen.dart
index 159e0fd..672d82c 100644
--- a/lib/ai/formula_screen.dart
+++ b/lib/ai/formula_screen.dart
@@ -352,7 +352,7 @@ class _FormulaScreenState extends State<FormulaScreen> {
             Expanded(
               child: TextFormField(
                 readOnly: true,
-                enabled: false,
+                enabled: true,
                 controller: TextEditingController(text: _result),
                 decoration: const InputDecoration(
                   border: UnderlineInputBorder(),