diff --git a/tensorboard/webapp/settings/_views/settings_dialog_component.css b/tensorboard/webapp/settings/_views/settings_dialog_component.css
index 7c8ff1c55b0..0d75e6aa2cb 100644
--- a/tensorboard/webapp/settings/_views/settings_dialog_component.css
+++ b/tensorboard/webapp/settings/_views/settings_dialog_component.css
@@ -28,3 +28,7 @@ h3 {
 .reload-toggle {
   margin-bottom: 16px;
 }
+
+mat-form-field {
+  width: 100%;
+}