diff --git a/packages/server/src/integrations/utils.ts b/packages/server/src/integrations/utils.ts
index 9956dfb926..d0af0e99a9 100644
--- a/packages/server/src/integrations/utils.ts
+++ b/packages/server/src/integrations/utils.ts
@@ -33,13 +33,13 @@ export function generateRowIdField(keyProps: any[] = []) {
 }
 
 // should always return an array
-export function breakRowIdField(_id: string) {
+export function breakRowIdField(_id: string): any[] {
   if (!_id) {
-    return null
+    return []
   }
   // have to replace on the way back as we swapped out the double quotes
   // when encoding, but JSON can't handle the single quotes
-  const decoded = decodeURIComponent(_id).replace(/'/g, '"')
+  const decoded: string = decodeURIComponent(_id).replace(/'/g, '"')
   const parsed = JSON.parse(decoded)
   return Array.isArray(parsed) ? parsed : [parsed]
 }