1 files changed, 10 insertions, 8 deletions
diff --git a/toolkit/content/widgets/spinner.js b/toolkit/content/widgets/spinner.js
index 208ab1931b..b3d996fb50 100644
--- a/toolkit/content/widgets/spinner.js
+++ b/toolkit/content/widgets/spinner.js
@@ -98,7 +98,7 @@ function Spinner(props, context) {
     setState(newState) {
       const { spinner } = this.elements;
       const { value, items } = this.state;
-      const { value: newValue, items: newItems, isValueSet, isInvalid } = newState;
+      const { value: newValue, items: newItems, isValueSet, isInvalid, smoothScroll = true } = newState;
 
       if (this._isArrayDiff(newItems, items)) {
         this.state = Object.assign(this.state, newState);
@@ -106,16 +106,18 @@ function Spinner(props, context) {
         this._scrollTo(newValue, true);
       } else if (newValue != value) {
         this.state = Object.assign(this.state, newState);
-        this._smoothScrollTo(newValue);
-      }
-
-      if (isValueSet) {
-        if (isInvalid) {
-          this._removeSelection();
+        if (smoothScroll) {
+          this._smoothScrollTo(newValue, true);
         } else {
-          this._updateSelection();
+          this._scrollTo(newValue, true);
         }
       }
+
+      if (isValueSet && !isInvalid) {
+        this._updateSelection();
+      } else {
+        this._removeSelection();
+      }
     },
 
     /**