diff --git a/flow/connectors/bigquery/bigquery.go b/flow/connectors/bigquery/bigquery.go
index 5e166124f3..aea3cb9c96 100644
--- a/flow/connectors/bigquery/bigquery.go
+++ b/flow/connectors/bigquery/bigquery.go
@@ -147,10 +147,10 @@ func (bqsa *BigQueryServiceAccount) CreateStorageClient(ctx context.Context) (*s
 // 1. Creates a table
 // 2. Inserts one row into the table
 // 3. Deletes the table
-func TableCheck(ctx context.Context, client *bigquery.Client, dataset string) error {
+func TableCheck(ctx context.Context, client *bigquery.Client, dataset string, project string) error {
 	dummyTable := "peerdb_validate_dummy_" + shared.RandomString(4)
 
-	newTable := client.Dataset(dataset).Table(dummyTable)
+	newTable := client.DatasetInProject(project, dataset).Table(dummyTable)
 
 	createErr := newTable.Create(ctx, &bigquery.TableMetadata{
 		Schema: []*bigquery.FieldSchema{
@@ -167,7 +167,9 @@ func TableCheck(ctx context.Context, client *bigquery.Client, dataset string) er
 	}
 
 	var errs []error
-	insertQuery := client.Query(fmt.Sprintf("INSERT INTO %s.%s VALUES(true)", dataset, dummyTable))
+	insertQuery := client.Query(fmt.Sprintf("INSERT INTO %s VALUES(true)", dummyTable))
+	insertQuery.DefaultDatasetID = dataset
+	insertQuery.DefaultProjectID = project
 	_, insertErr := insertQuery.Run(ctx)
 	if insertErr != nil {
 		errs = append(errs, fmt.Errorf("unable to validate insertion into table: %w. ", insertErr))
@@ -216,7 +218,7 @@ func NewBigQueryConnector(ctx context.Context, config *protos.BigqueryConfig) (*
 		return nil, fmt.Errorf("failed to get dataset metadata: %v", datasetErr)
 	}
 
-	permissionErr := TableCheck(ctx, client, datasetID)
+	permissionErr := TableCheck(ctx, client, datasetID, projectID)
 	if permissionErr != nil {
 		slog.ErrorContext(ctx, "failed to get run mock table check", slog.Any("error", permissionErr))
 		return nil, permissionErr