diff --git a/helpers/functions.sqlFilters.d.ts b/helpers/functions.sqlFilters.d.ts
index 86df21a9..3d2a569f 100644
--- a/helpers/functions.sqlFilters.d.ts
+++ b/helpers/functions.sqlFilters.d.ts
@@ -3,7 +3,7 @@ interface WhereClauseReturn {
     sqlWhereClause: string;
     sqlParameters: unknown[];
 }
-export declare function getLotNameWhereClause(lotName: string | undefined, lotNameSearchType: LotNameSearchType | undefined, lotsTableAlias?: string): WhereClauseReturn;
+export declare function getLotNameWhereClause(lotName?: string, lotNameSearchType?: LotNameSearchType, lotsTableAlias?: string): WhereClauseReturn;
 type OccupancyTime = '' | 'current' | 'past' | 'future';
 export declare function getOccupancyTimeWhereClause(occupancyTime: OccupancyTime | undefined, lotOccupanciesTableAlias?: string): WhereClauseReturn;
 export declare function getOccupantNameWhereClause(occupantName?: string, tableAlias?: string): WhereClauseReturn;
diff --git a/helpers/functions.sqlFilters.js b/helpers/functions.sqlFilters.js
index 3e610cbf..64b70632 100644
--- a/helpers/functions.sqlFilters.js
+++ b/helpers/functions.sqlFilters.js
@@ -1,9 +1,9 @@
 import { dateToInteger } from '@cityssm/utils-datetime';
-export function getLotNameWhereClause(lotName = '', lotNameSearchType, lotsTableAlias = 'l') {
+export function getLotNameWhereClause(lotName = '', lotNameSearchType = '', lotsTableAlias = 'l') {
     let sqlWhereClause = '';
     const sqlParameters = [];
     if (lotName !== '') {
-        switch (lotNameSearchType) {
+        switch (lotNameSearchType ?? '') {
             case 'startsWith': {
                 sqlWhereClause += ` and ${lotsTableAlias}.lotName like ? || '%'`;
                 sqlParameters.push(lotName);
diff --git a/helpers/functions.sqlFilters.ts b/helpers/functions.sqlFilters.ts
index edce1a64..52f90211 100644
--- a/helpers/functions.sqlFilters.ts
+++ b/helpers/functions.sqlFilters.ts
@@ -9,14 +9,14 @@ interface WhereClauseReturn {
 
 export function getLotNameWhereClause(
   lotName = '',
-  lotNameSearchType: LotNameSearchType | undefined,
+  lotNameSearchType: LotNameSearchType = '',
   lotsTableAlias = 'l'
 ): WhereClauseReturn {
   let sqlWhereClause = ''
   const sqlParameters: unknown[] = []
 
   if (lotName !== '') {
-    switch (lotNameSearchType) {
+    switch (lotNameSearchType ?? '') {
       case 'startsWith': {
         sqlWhereClause += ` and ${lotsTableAlias}.lotName like ? || '%'`
         sqlParameters.push(lotName)