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-rw-r--r--examples/mac.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/examples/mac.c b/examples/mac.c
index 2d335a4..1c85d73 100644
--- a/examples/mac.c
+++ b/examples/mac.c
@@ -455,6 +455,8 @@ ScreenInit(int argc, char**argv)
CGDisplayPixelsHigh(kCGDirectMainDisplay),
bitsPerSample,
CGDisplaySamplesPerPixel(kCGDirectMainDisplay),4);
+ if(!rfbScreen)
+ exit(0);
rfbScreen->serverFormat.redShift = bitsPerSample*2;
rfbScreen->serverFormat.greenShift = bitsPerSample*1;
rfbScreen->serverFormat.blueShift = 0;