diff --git a/include/errorhandler.php b/include/errorhandler.php
index 3643db98a3cf56d2a5fe579a13cb88420b1a6017..fab559b7611c87970cfcd273f9100636b0cd6996 100644
--- a/include/errorhandler.php
+++ b/include/errorhandler.php
@@ -14,6 +14,8 @@ function format_backtrace($trace) {
 							array_push($fmt_args, "{" . get_class($a) . "}");
 						} else if (is_array($a)) {
 							array_push($fmt_args, "[" . truncate_string(json_encode($a), 256, "...")) . "]";
+						} else if (is_resource($a)) {
+							array_push($fmt_args, truncate_string(get_resource_type($a), 256, "..."));
 						} else {
 							array_push($fmt_args, truncate_string($a, 256, "..."));
 						}