diff --git a/src/drm-shim/device.c b/src/drm-shim/device.c
index 321190393b6..53b219ded16 100644
--- a/src/drm-shim/device.c
+++ b/src/drm-shim/device.c
@@ -286,6 +286,7 @@ ioctl_fn_t core_ioctls[] = {
    [_IOC_NR(DRM_IOCTL_SYNCOBJ_WAIT)] = drm_shim_ioctl_stub,
    [_IOC_NR(DRM_IOCTL_SYNCOBJ_TRANSFER)] = drm_shim_ioctl_stub,
    [_IOC_NR(DRM_IOCTL_SYNCOBJ_RESET)] = drm_shim_ioctl_stub,
+   [_IOC_NR(DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL)] = drm_shim_ioctl_stub,
 };
 
 /**