diff --git a/fda-ui/components/query/Builder.vue b/fda-ui/components/query/Builder.vue
index 2574d77c569f2c85d616676a8292c1f718474bb1..136af0eff8c1a451c0e2f857bf929f7a67a14908 100644
--- a/fda-ui/components/query/Builder.vue
+++ b/fda-ui/components/query/Builder.vue
@@ -108,7 +108,7 @@ export default {
       return columns || []
     },
     columnNames () {
-      return this.selectItems && this.selectItems.map(s => s.internalName)
+      return this.selectItems && this.selectItems.map(s => s.internal_name)
     },
     databaseId () {
       return this.$route.params.database_id