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-rw-r--r--spectrogram.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/spectrogram.c b/spectrogram.c
index 859397d..6114983 100644
--- a/spectrogram.c
+++ b/spectrogram.c
@@ -286,7 +286,7 @@ main(int argc, char **argv)
signal(SIGINT, catch);
- dsp = XOpenDisplay(getenv("DISPLAY"));
+ dsp = XOpenDisplay(NULL);
if (!dsp)
errx(1, "Cannot connect to X11 server");