1 files changed, 3 insertions, 1 deletions
diff --git a/monitor-parse-edid b/monitor-parse-edid
index bd90b5d..d582a0e 100755
--- a/monitor-parse-edid
+++ b/monitor-parse-edid
@@ -155,7 +155,9 @@ sub parse_edid {
 			my $hi = delete($h->{$field . '_hi'});
 			$h->{$field} += $hi << $detailed_timing_field_size{$field};
 		    }
-		    push @{$edid{detailed_timings}}, $h;
+		    push @{$edid{detailed_timings}}, $h
+		      if $h->{horizontal_active} > 0
+			&& $h->{vertical_active} > 0;
 		} else {
 		    (my $flag, $vv) = unpack("n x a*", $vv);