diff --git a/modules/statistics/bin/loganalyzer.php b/modules/statistics/bin/loganalyzer.php
index a34f08bd6a0ecdcada4adc43840f31fe955e515b..913fc416838ee79cdc4e77ea5c2c236e4bd0ed51 100755
--- a/modules/statistics/bin/loganalyzer.php
+++ b/modules/statistics/bin/loganalyzer.php
@@ -83,7 +83,7 @@ This program parses and aggregates SimpleSAMLphp log files.
 
 Options:
 	-d, --debug			Used when configuring the log file syntax. See doc.
-	-dry-run			Aggregate but do not store the results.
+	--dry-run			Aggregate but do not store the results.
 
 ');
 }