diff --git a/src/modules/keyboardmanager/KeyboardManagerEditorUI/Controls/UnifiedMappingControl.xaml.cs b/src/modules/keyboardmanager/KeyboardManagerEditorUI/Controls/UnifiedMappingControl.xaml.cs
index 022d27de8d..491986fadc 100644
--- a/src/modules/keyboardmanager/KeyboardManagerEditorUI/Controls/UnifiedMappingControl.xaml.cs
+++ b/src/modules/keyboardmanager/KeyboardManagerEditorUI/Controls/UnifiedMappingControl.xaml.cs
@@ -564,7 +564,7 @@ namespace KeyboardManagerEditorUI.Controls
             return CurrentActionType switch
             {
                 ActionType.KeyOrShortcut => _actionKeys.Count > 0,
-                ActionType.Text => !string.IsNullOrWhiteSpace(TextContentBox?.Text),
+                ActionType.Text => !string.IsNullOrEmpty(TextContentBox?.Text),
                 ActionType.OpenUrl => !string.IsNullOrWhiteSpace(UrlPathInput?.Text),
                 ActionType.OpenApp => !string.IsNullOrWhiteSpace(ProgramPathInput?.Text),
                 _ => false,
diff --git a/src/modules/keyboardmanager/KeyboardManagerEditorUI/Helpers/ValidationHelper.cs b/src/modules/keyboardmanager/KeyboardManagerEditorUI/Helpers/ValidationHelper.cs
index 526d6e01d2..9e0cde1aac 100644
--- a/src/modules/keyboardmanager/KeyboardManagerEditorUI/Helpers/ValidationHelper.cs
+++ b/src/modules/keyboardmanager/KeyboardManagerEditorUI/Helpers/ValidationHelper.cs
@@ -90,7 +90,7 @@ namespace KeyboardManagerEditorUI.Helpers
                 return ValidationErrorType.EmptyOriginalKeys;
             }
 
-            if (string.IsNullOrWhiteSpace(textContent))
+            if (string.IsNullOrEmpty(textContent))
             {
                 return ValidationErrorType.EmptyTargetText;
             }