diff --git a/calendar-export.plx b/calendar-export.plx
index edd7eb5..64a8acb 100755
--- a/calendar-export.plx
+++ b/calendar-export.plx
@@ -542,7 +542,7 @@ my $config = ReadConfig($CONFIG_FILE);
 $config->{scrubPrivate} = 0 if not defined $config->{scrubPrivate};
 $config->{reportProblems} = $config->{user} if not defined $config->{reportProblems};
 $config->{emacsBinary} = "/usr/bin/emacs" if not defined $config->{emacsBinary};
-
+$config->{calendarStyle} = 'plain' if not defined $config->{calendarStyle};
 DieLog("$config->{emacsBinary} doesn't appear to be executable") unless -x $config->{emacsBinary};
 
 DieLog("$CONFIG_FILE doesn't specify a (readable) output directory via outputDir setting: $!")