diff --git a/sqlite3.go b/sqlite3.go
index d8f7756..69aa89f 100644
--- a/sqlite3.go
+++ b/sqlite3.go
@@ -30,7 +30,6 @@ func init() {
 }
 
 type SQLiteDriver struct {
-
 }
 
 type SQLiteConn struct {
@@ -109,9 +108,10 @@ func (c *SQLiteConn) Close() error {
 }
 
 type SQLiteStmt struct {
-	c *SQLiteConn
-	s *C.sqlite3_stmt
-	t string
+	c      *SQLiteConn
+	s      *C.sqlite3_stmt
+	t      string
+	closed bool
 }
 
 func (c *SQLiteConn) Prepare(query string) (driver.Stmt, error) {
@@ -127,10 +127,14 @@ func (c *SQLiteConn) Prepare(query string) (driver.Stmt, error) {
 	if perror != nil && C.strlen(perror) > 0 {
 		t = C.GoString(perror)
 	}
-	return &SQLiteStmt{c, s, t}, nil
+	return &SQLiteStmt{c: c, s: s, t: t}, nil
 }
 
 func (s *SQLiteStmt) Close() error {
+	if s.closed {
+		return nil
+	}
+	s.closed = true
 	rv := C.sqlite3_finalize(s.s)
 	if rv != C.SQLITE_OK {
 		return errors.New(C.GoString(C.sqlite3_errmsg(s.c.db)))
@@ -142,7 +146,7 @@ func (s *SQLiteStmt) NumInput() int {
 	return int(C.sqlite3_bind_parameter_count(s.s))
 }
 
-func (s *SQLiteStmt) bind(args []interface{}) error {
+func (s *SQLiteStmt) bind(args []driver.Value) error {
 	rv := C.sqlite3_reset(s.s)
 	if rv != C.SQLITE_ROW && rv != C.SQLITE_OK && rv != C.SQLITE_DONE {
 		return errors.New(C.GoString(C.sqlite3_errmsg(s.c.db)))
@@ -169,7 +173,7 @@ func (s *SQLiteStmt) bind(args []interface{}) error {
 			rv = C.sqlite3_bind_int(s.s, n, C.int(v))
 		case bool:
 			if bool(v) {
-				rv = C.sqlite3_bind_int(s.s, n, 1)
+				rv = C.sqlite3_bind_int(s.s, n, -1)
 			} else {
 				rv = C.sqlite3_bind_int(s.s, n, 0)
 			}
@@ -191,7 +195,7 @@ func (s *SQLiteStmt) bind(args []interface{}) error {
 	return nil
 }
 
-func (s *SQLiteStmt) Query(args []interface{}) (driver.Rows, error) {
+func (s *SQLiteStmt) Query(args []driver.Value) (driver.Rows, error) {
 	if err := s.bind(args); err != nil {
 		return nil, err
 	}
@@ -210,7 +214,7 @@ func (r *SQLiteResult) RowsAffected() (int64, error) {
 	return int64(C.sqlite3_changes(r.s.c.db)), nil
 }
 
-func (s *SQLiteStmt) Exec(args []interface{}) (driver.Result, error) {
+func (s *SQLiteStmt) Exec(args []driver.Value) (driver.Result, error) {
 	if err := s.bind(args); err != nil {
 		return nil, err
 	}
@@ -228,7 +232,7 @@ type SQLiteRows struct {
 }
 
 func (rc *SQLiteRows) Close() error {
-	return nil
+	return rc.s.Close()
 }
 
 func (rc *SQLiteRows) Columns() []string {
@@ -241,7 +245,7 @@ func (rc *SQLiteRows) Columns() []string {
 	return rc.cols
 }
 
-func (rc *SQLiteRows) Next(dest []interface{}) error {
+func (rc *SQLiteRows) Next(dest []driver.Value) error {
 	rv := C.sqlite3_step(rc.s.s)
 	if rv != C.SQLITE_ROW {
 		return errors.New(C.GoString(C.sqlite3_errmsg(rc.s.c.db)))
diff --git a/sqlite3_test.go b/sqlite3_test.go
index a76d86f..7cbe8c3 100644
--- a/sqlite3_test.go
+++ b/sqlite3_test.go
@@ -247,7 +247,7 @@ func TestBooleanRoundtrip(t *testing.T) {
 		var id int
 		var value bool
 
-		if err := rows.Scan(&id, &value) ; err != nil {
+		if err := rows.Scan(&id, &value); err != nil {
 			t.Errorf("Unable to scan results:", err)
 			continue
 		}