diff --git a/ui/src/utils/influxql.ts b/ui/src/utils/influxql.ts
index da946af98..2448cb275 100644
--- a/ui/src/utils/influxql.ts
+++ b/ui/src/utils/influxql.ts
@@ -51,7 +51,7 @@ export function buildSelect(
   }
 
   const rpSegment = retentionPolicy ? `"${retentionPolicy}"` : ''
-  const fieldsClause = buildFields(fields, shift)
+  const fieldsClause = buildFields(fields, shift).join(', ')
   const fullyQualifiedMeasurement = `"${database}".${rpSegment}."${measurement}"`
   const statement = `SELECT ${fieldsClause} FROM ${fullyQualifiedMeasurement}`
   return statement
@@ -89,9 +89,9 @@ export function buildSelectStatement(config: QueryConfig): string {
   return buildSelect(config)
 }
 
-function buildFields(fieldFuncs: Field[], shift = '', useAlias = true): string {
+function buildFields(fieldFuncs: Field[], shift = '', useAlias = true): string[] {
   if (!fieldFuncs) {
-    return ''
+    return []
   }
 
   return fieldFuncs
@@ -119,11 +119,15 @@ function buildFields(fieldFuncs: Field[], shift = '', useAlias = true): string {
         case 'func': {
           const args = buildFields(f.args, '', false)
           const alias = f.alias ? ` AS "${f.alias}${shift}"` : ''
-          return `${f.value}(${args})${alias}`
+          return `${f.value}(${args.join(', ')})${alias}`
+        }
+        case 'infixfunc': {
+          const args = buildFields(f.args, '', false)
+          const alias = f.alias ? ` AS "${f.alias}"` : ''
+          return `${args[0]}${f.value}${args[1]}${alias}`
         }
       }
     })
-    .join(', ')
 }
 
 export function buildWhereClause({