diff --git a/docs/changelog/7.x.x.txt b/docs/changelog/7.x.x.txt
index a9fcfb92f..fa1d2c9a7 100644
--- a/docs/changelog/7.x.x.txt
+++ b/docs/changelog/7.x.x.txt
@@ -5,6 +5,7 @@
    Technologies)
  - fix: Bug in thumbnailer.pl
  - fix: Events userDefined fields now work.
+ - fix: Bug in thumbnailer.pl revisited ("guiuser")
 
 
 7.3.12
diff --git a/sbin/thumbnailer.pl b/sbin/thumbnailer.pl
index 9c2fea603..cd19ec9f4 100644
--- a/sbin/thumbnailer.pl
+++ b/sbin/thumbnailer.pl
@@ -33,7 +33,7 @@ my $ok = GetOptions(
 	'path=s'=>\$path
 );
 
-if ($help || ($path && $ok) ) {
+if ($help || !($path && $ok) ) {
   print <<USAGE;
 Usage: perl $0 --path=/path/to/files [--size=thumbnailSize] [--missing]