diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index bedceca7dd06cc4a82d8f3f93adacd10bda04dd4..008f9456a5e840bfbc99c159ac6a7e5e087604c7 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -1084,8 +1084,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
 		plane->old_fb = NULL;
 	} else {
 		plane->fb = fb;
-		/* Unref only the old framebuffer. */
-		fb = NULL;
+		drm_framebuffer_get(fb);
 	}
 
 out: