diff --git a/js/intro/view/IntroProjectileControlPanel.js b/js/intro/view/IntroProjectileControlPanel.js
index c9048f45..1cf640ee 100644
--- a/js/intro/view/IntroProjectileControlPanel.js
+++ b/js/intro/view/IntroProjectileControlPanel.js
@@ -91,7 +91,7 @@ class IntroProjectileControlPanel extends Panel {
       comboBoxItems[ i ] = {
         value: projectileType,
         createNode: () => ( i === 0 ) ? firstItemNode : new Text( projectileType.name, itemNodeOptions ),
-        tandemName: `${projectileType.benchmark}${ComboBox.ITEM_TANDEM_NAME_SUFFIX}`
+        tandemName: `${projectileType.benchmark}Item`
       };
     }
 
diff --git a/js/lab/view/LabProjectileControlPanel.js b/js/lab/view/LabProjectileControlPanel.js
index 4a3e2922..51c5c24e 100644
--- a/js/lab/view/LabProjectileControlPanel.js
+++ b/js/lab/view/LabProjectileControlPanel.js
@@ -120,7 +120,7 @@ class LabProjectileControlPanel extends Node {
       comboBoxItems[ i ] = {
         value: projectileType,
         createNode: () => ( i === 0 ) ? firstItemNode : new Text( projectileType.name, itemNodeOptions ),
-        tandemName: `${projectileType.benchmark}${ComboBox.ITEM_TANDEM_NAME_SUFFIX}`
+        tandemName: `${projectileType.benchmark}Item`
       };
 
       // Create the controls for the projectileType too.
diff --git a/js/stats/view/StatsProjectileControlPanel.js b/js/stats/view/StatsProjectileControlPanel.js
index 6dd49be6..57dcfd18 100644
--- a/js/stats/view/StatsProjectileControlPanel.js
+++ b/js/stats/view/StatsProjectileControlPanel.js
@@ -97,7 +97,7 @@ class StatsProjectileControlPanel extends Panel {
       comboBoxItems[ i ] = {
         value: projectileType,
         createNode: () => i === 0 ? firstItemNode : new Text( projectileType.name, itemNodeOptions ),
-        tandemName: `${projectileType.benchmark}${ComboBox.ITEM_TANDEM_NAME_SUFFIX}`
+        tandemName: `${projectileType.benchmark}Item`
       };
     }