diff --git a/lib/src/form/src/controller.dart b/lib/src/form/src/controller.dart
index c926557..7c524f8 100644
--- a/lib/src/form/src/controller.dart
+++ b/lib/src/form/src/controller.dart
@@ -97,10 +97,10 @@ class AstromicFormController extends FormController {
   /// Get the value of a hosted state variable using it's ID.
   T? getValue<T>(String id) {
     if (_hostedValues.keys.toList().contains(id)) {
-      if (_hostedValues[id] is (T?, bool)) {
+      if (_hostedValues[id]?.$1 is T?) {
         return _hostedValues[id]?.$1;
       } else {
-        throw FlutterError('Value found but is not of the type $T');
+        throw FlutterError('Value found but is not of the type $T, it\'s of type ${_hostedValues[id]?.$1.runtimeType}');
       }
     } else {
       return null;