diff --git a/superset-frontend/src/explore/components/controls/DndColumnSelectControl/utils/optionSelector.ts b/superset-frontend/src/explore/components/controls/DndColumnSelectControl/utils/optionSelector.ts
index 6000d57039..4d0d76a641 100644
--- a/superset-frontend/src/explore/components/controls/DndColumnSelectControl/utils/optionSelector.ts
+++ b/superset-frontend/src/explore/components/controls/DndColumnSelectControl/utils/optionSelector.ts
@@ -64,7 +64,7 @@ export class OptionSelector {
   }
 
   has(value: string): boolean {
-    return !!this.getValues()?.includes(value);
+    return ensureIsArray(this.getValues()).includes(value);
   }
 
   getValues(): string[] | string | undefined {