diff --git a/unix/xserver/hw/vnc/xvnc.c b/unix/xserver/hw/vnc/xvnc.c
index 3e3f037..48ea204 100644
--- a/unix/xserver/hw/vnc/xvnc.c
+++ b/unix/xserver/hw/vnc/xvnc.c
@@ -1916,6 +1916,8 @@ InitOutput(ScreenInfo *scrInfo, int argc, char **argv)
 #else
         FatalError("DRI3 disabled at compile time\n");
 #endif
+    } else {
+        driNode = NULL;
     }
 } /* end InitOutput */