diff --git a/storage/sql/sql.go b/storage/sql/sql.go
index c5cea8b..45f5b86 100644
--- a/storage/sql/sql.go
+++ b/storage/sql/sql.go
@@ -32,10 +32,7 @@ func Open(cfg *Cfg) *Storage {
 	return &Storage{db}
 }
 
-func QueryData[P interface {
-	*T
-	scanner
-}, T any](db *Storage, q string, args ...interface{}) []T {
+func QueryData[P sccon[T], T any](db *Storage, q string, args ...interface{}) []T {
 	var data []T
 	rp := P(new(T))
 	proc := func(r *sql.Rows) error {