diff --git a/chardev/char-ringbuf.c b/chardev/char-ringbuf.c
index df52b04..c1fa4c3 100644
--- a/chardev/char-ringbuf.c
+++ b/chardev/char-ringbuf.c
@@ -21,9 +21,11 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+
 #include "qemu/osdep.h"
 #include "chardev/char.h"
 #include "qmp-commands.h"
+#include "qapi/error.h"
 #include "qemu/base64.h"
 
 /* Ring buffer chardev */