diff --git a/sqlite3.go b/sqlite3.go
index e2ad600..3595545 100644
--- a/sqlite3.go
+++ b/sqlite3.go
@@ -164,7 +164,7 @@ func (c *SQLiteConn) Exec(query string, args []driver.Value) (driver.Result, err
 		var res driver.Result
 		if s.(*SQLiteStmt).s != nil {
 			na := s.NumInput()
-			if na < len(args) {
+			if len(args) < na {
 				return nil, errors.New("args is not enough to execute query")
 			}
 			res, err = s.Exec(args[:na])