diff --git a/src/gbm/main/gbm.c b/src/gbm/main/gbm.c
index 2d646e0e515..c8f87f808e9 100644
--- a/src/gbm/main/gbm.c
+++ b/src/gbm/main/gbm.c
@@ -227,6 +227,7 @@ gbm_bo_get_bpp(struct gbm_bo *bo)
       case GBM_FORMAT_RGB332:
       case GBM_FORMAT_BGR233:
          return 8;
+      case GBM_FORMAT_R16:
       case GBM_FORMAT_GR88:
       case GBM_FORMAT_XRGB4444:
       case GBM_FORMAT_XBGR4444: