diff --git a/FU.pm b/FU.pm
index 02b1b8b..c178072 100644
--- a/FU.pm
+++ b/FU.pm
@@ -123,6 +123,7 @@ sub query_trace($st,@) {
 sub _connect_db {
     $DB = ref $INIT_DB eq 'CODE' ? $INIT_DB->() : FU::Pg->connect($INIT_DB);
     $DB->query_trace(\&query_trace);
+    $DB
 }
 sub init_db($info) {
     require FU::Pg;
@@ -214,7 +215,7 @@ sub _monitor {
 }
 
 
-our $debug_info = [];
+our $debug_info = {};
 sub debug_info($path, $storage=undef, $history=100) {
     $debug_info = { path => $path, storage => $storage, history => $history }
 }