diff --git a/installer/data/mysql/atomicupdate/bug-23148.perl b/installer/data/mysql/atomicupdate/bug-23148.perl
new file mode 100644
index 0000000000..a97fc4dfe8
--- /dev/null
+++ b/installer/data/mysql/atomicupdate/bug-23148.perl
@@ -0,0 +1,9 @@
+$DBversion = 'XXX'; # will be replaced by the RM
+if( CheckVersion( $DBversion ) ) {
+ # you can use $dbh here like:
+ $dbh->do( "UPDATE itemtypes SET imageurl = REPLACE (imageurl, '.gif', '.png') WHERE imageurl LIKE 'bridge/%'" );
+
+ # Always end with this (adjust the bug info)
+ SetVersion( $DBversion );
+ print "Upgrade to $DBversion done (Bug 23148: Replace Bridge icons with transparent PNG files)\n";
+}
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