diff --git a/lib/view/custom_exercise_page.dart b/lib/view/custom_exercise_page.dart
index 6f23994..be46a9c 100644
--- a/lib/view/custom_exercise_page.dart
+++ b/lib/view/custom_exercise_page.dart
@@ -121,7 +121,7 @@ class _CustomExerciseNewPageState extends State<CustomExercisePage> {
               color: Colors.lightBlue,
               fontWeight: FontWeight.bold),
           inputFormatters: [
-            FilteringTextInputFormatter(RegExp(r"[\d.]"), allow: true)
+            WhitelistingTextInputFormatter(RegExp(r"[\d.]"))
           ],
           onChanged: (input) => {
             print("UnitQuantity value $input"),
@@ -163,7 +163,7 @@ class _CustomExerciseNewPageState extends State<CustomExercisePage> {
             color: Colors.deepOrange,
             fontWeight: FontWeight.bold),
         inputFormatters: [
-          FilteringTextInputFormatter(RegExp(r"[\d.]"), allow: true)
+          WhitelistingTextInputFormatter (RegExp(r"[\d.]"))
         ],
         onChanged: (input) => {
           print("Quantity value $input"),
diff --git a/lib/view/customer_modify_page.dart b/lib/view/customer_modify_page.dart
index e7d0990..282b695 100644
--- a/lib/view/customer_modify_page.dart
+++ b/lib/view/customer_modify_page.dart
@@ -190,7 +190,7 @@ class CustomerModifyPage extends StatelessWidget{
                               style: TextStyle(fontSize: 12),
                               textFieldBloc: customerBloc.birthYearField,
                               inputFormatters: [
-                                FilteringTextInputFormatter(RegExp(r"[\d]"), allow: true)
+                                WhitelistingTextInputFormatter (RegExp(r"[\d]"))
                               ],
                               decoration: InputDecoration(
                                 fillColor: Colors.white24,
@@ -211,7 +211,7 @@ class CustomerModifyPage extends StatelessWidget{
                               style: TextStyle(fontSize: 12),
                               textFieldBloc: customerBloc.weightField,
                               inputFormatters: [
-                                FilteringTextInputFormatter(RegExp(r"[\d]"), allow: true)
+                                WhitelistingTextInputFormatter (RegExp(r"[\d]"))
                               ],
                               decoration: InputDecoration(
                                 fillColor: Colors.white24,
diff --git a/lib/view/exercise_new_page.dart b/lib/view/exercise_new_page.dart
index 9cb47d9..d84d074 100644
--- a/lib/view/exercise_new_page.dart
+++ b/lib/view/exercise_new_page.dart
@@ -121,7 +121,7 @@ class _ExerciseNewPageState extends State<ExerciseNewPage> {
                 color: Colors.lightBlue,
                 fontWeight: FontWeight.bold),
               inputFormatters: [
-                FilteringTextInputFormatter(RegExp(r"[\d.]"), allow: true)
+                WhitelistingTextInputFormatter (RegExp(r"[\d.]"))
               ],
               onChanged: (input) => {
                 print ("UnitQuantity value $input"),
@@ -189,7 +189,7 @@ class _ExerciseNewPageState extends State<ExerciseNewPage> {
                 color: Colors.deepOrange,
                 fontWeight: FontWeight.bold),
               inputFormatters: [
-                FilteringTextInputFormatter(RegExp(r"[\d.]"), allow: true)
+                WhitelistingTextInputFormatter (RegExp(r"[\d.]"))
               ],
               onChanged: (input) =>
               {