diff --git a/plugins/diopser/src/editor.rs b/plugins/diopser/src/editor.rs
index f8fd5f43..cbb16419 100644
--- a/plugins/diopser/src/editor.rs
+++ b/plugins/diopser/src/editor.rs
@@ -83,7 +83,8 @@ fn top_bar(cx: &mut Context) {
 
         HStack::new(cx, |cx| {
             ParamSlider::new(cx, Data::params, |params| &params.automation_precision)
-                .with_label("Automation Precision");
+                .with_label("Automation Precision")
+                .id("automation-precision");
 
             SafeModeButton::new(cx, Data::safe_mode, "Safe mode").left(Pixels(10.0));
 
diff --git a/plugins/diopser/src/theme.css b/plugins/diopser/src/theme.css
index a2de9ee6..48effdd0 100644
--- a/plugins/diopser/src/theme.css
+++ b/plugins/diopser/src/theme.css
@@ -17,3 +17,8 @@ param-button.safe-mode:checked {
   background-color: #fff280;
   transition: background-color 0.1 0;
 }
+
+#automation-precision {
+  /* Can't use width: auto here, but we'll try to roughly match the padding of the top bar buttons */
+  width: 170px;
+}