diff --git a/docs/changelog/7.x.x.txt b/docs/changelog/7.x.x.txt
index 7c28c2d60..d915be4a6 100644
--- a/docs/changelog/7.x.x.txt
+++ b/docs/changelog/7.x.x.txt
@@ -3,6 +3,7 @@
  - made captcha's harder to defeat by machine
  - rfe: Make Layout Templates use separate namespace (News)
  - rfe: search assets on class without keywords
+ - fix: thumbnailer.pl is broken
  - fix: crash bug in if modified cache checking
  - rfe: Change URL of "news" layout to be something else.
  - add type variable to Data Form record loop
diff --git a/sbin/thumbnailer.pl b/sbin/thumbnailer.pl
index 165752174..df2cc99d3 100644
--- a/sbin/thumbnailer.pl
+++ b/sbin/thumbnailer.pl
@@ -13,6 +13,7 @@
 # thumbnails. 
 #-----------------------------------------
 
+use Carp qw(croak);
 use File::stat;
 use File::Find ();
 use Getopt::Long;