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-rw-r--r--perl-install/Xconfig/monitor.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/perl-install/Xconfig/monitor.pm b/perl-install/Xconfig/monitor.pm
index 6de16fe8c..76fc6e13e 100644
--- a/perl-install/Xconfig/monitor.pm
+++ b/perl-install/Xconfig/monitor.pm
@@ -176,7 +176,7 @@ sub getinfoFromDDC() {
local $_;
while (($_ = shift @l) ne "\n") {
my ($depth, $x, $y) = split;
- $depth = int(log($depth) / log(2));
+ $depth = int(log($depth) / log(2)) if $depth;
push @Modes, [ $x, $y, $depth ];
}