diff --git a/js/builder_graph.js b/js/builder_graph.js
index 9687de5..c553eb1 100644
--- a/js/builder_graph.js
+++ b/js/builder_graph.js
@@ -258,7 +258,7 @@ class ItemInputDisplayNode extends ComputeNode {
             this.input_field.classList.add("is-invalid");
             return null;
         }
-        if (item.statMap.has('powders')) {
+        if (this.powder_field && item.statMap.has('powders')) {
             this.powder_field.placeholder = "powders";
         }
 
@@ -266,7 +266,7 @@ class ItemInputDisplayNode extends ComputeNode {
             return null;
         }
 
-        if (item.statMap.has('powders')) {
+        if (this.powder_field && item.statMap.has('powders')) {
             this.powder_field.placeholder = item.statMap.get('slots') + ' slots';
         }