1 files changed, 1 insertions, 0 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 6c830664..d250365e 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -1105,6 +1105,7 @@ int drmWaitVBlank(int fd, drmVBlankPtr vbl)
 
     do {
        ret = ioctl(fd, DRM_IOCTL_WAIT_VBLANK, vbl);
+       vbl->request.type &= ~DRM_VBLANK_RELATIVE;
     } while (ret && errno == EINTR);
 
     return ret;