diff --git a/apps/viewer/pages/api/integrations/google-sheets/spreadsheets/[spreadsheetId]/sheets/[sheetId].ts b/apps/viewer/pages/api/integrations/google-sheets/spreadsheets/[spreadsheetId]/sheets/[sheetId].ts
index edc72708c..628a3f27c 100644
--- a/apps/viewer/pages/api/integrations/google-sheets/spreadsheets/[spreadsheetId]/sheets/[sheetId].ts
+++ b/apps/viewer/pages/api/integrations/google-sheets/spreadsheets/[spreadsheetId]/sheets/[sheetId].ts
@@ -17,8 +17,11 @@ const handler = async (req: NextApiRequest, res: NextApiResponse) => {
       column: req.query['referenceCell[column]'],
       value: req.query['referenceCell[value]'],
     } as Cell
-    const extractingColumns = req.query.columns as string[] | undefined
-    if (!Array.isArray(extractingColumns)) return badRequest(res)
+
+    const extractingColumns = getExtractingColumns(
+      req.query.columns as string[] | string | undefined
+    )
+    if (!extractingColumns) return badRequest(res)
     const doc = new GoogleSpreadsheet(spreadsheetId)
     doc.useOAuth2Client(await getAuthenticatedGoogleClient(credentialsId))
     await doc.loadInfo()
@@ -80,4 +83,9 @@ const handler = async (req: NextApiRequest, res: NextApiResponse) => {
   return methodNotAllowed(res)
 }
 
+const getExtractingColumns = (columns: string | string[] | undefined) => {
+  if (typeof columns === 'string') return [columns]
+  if (Array.isArray(columns)) return columns
+}
+
 export default withSentry(handler)