VideoSetFullscreen needs X11 connection.

1 files changed, 4 insertions, 0 deletions

diff --git a/video.c b/video.c
index 0e7d5b5..92d3b7e 100644
--- a/video.c
+++ b/video.c
@@ -9144,6 +9144,10 @@ void VideoSetFullscreen(int onoff)
 {
     xcb_client_message_event_t event;
 
+    if (!XlibDisplay) {			// needs running connection
+	return;
+    }
+
     memset(&event, 0, sizeof(event));
     event.response_type = XCB_CLIENT_MESSAGE;
     event.format = 32;