diff --git a/hw/xfree86/dri/dri.c b/hw/xfree86/dri/dri.c
index 7b4d5bd..1715590 100644
--- a/hw/xfree86/dri/dri.c
+++ b/hw/xfree86/dri/dri.c
@@ -249,6 +249,8 @@ DRIScreenInit(ScreenPtr pScreen, DRIInfo
 	return FALSE;
     }
 
+    pDRIPriv->pDriverInfo->busIdString = drmGetBusid(fd);
+
     *pDRMFD = pDRIPriv->drmFD;
     DRIDrvMsg(pScreen->myNum, X_INFO,
 	      "[drm] created \"%s\" driver at busid \"%s\"\n",