diff --git a/installer/data/mysql/kohastructure.sql b/installer/data/mysql/kohastructure.sql
index 153e17b8e4..9e7d7a4f37 100644
--- a/installer/data/mysql/kohastructure.sql
+++ b/installer/data/mysql/kohastructure.sql
@@ -949,15 +949,15 @@ DROP TABLE IF EXISTS `issues`;
 CREATE TABLE `issues` ( -- information related to check outs or issues
   `borrowernumber` int(11), -- foreign key, linking this to the borrowers table for the patron this item was checked out to
   `itemnumber` int(11), -- foreign key, linking this to the items table for the item that was checked out
-  `date_due` date default NULL, -- date the item is due (yyyy-mm-dd)
+  `date_due` datetime default NULL, -- datetime the item is due (yyyy-mm-dd hh:mm::ss)
   `branchcode` varchar(10) default NULL, -- foreign key, linking to the branches table for the location the item was checked out
   `issuingbranch` varchar(18) default NULL,
-  `returndate` date default NULL, -- date the item was returned, will be NULL until moved to old_issues
-  `lastreneweddate` date default NULL, -- date the item was last renewed
+  `returndate` datetime default NULL, -- date the item was returned, will be NULL until moved to old_issues
+  `lastreneweddate` datetime default NULL, -- date the item was last renewed
   `return` varchar(4) default NULL,
   `renewals` tinyint(4) default NULL, -- lists the number of times the item was renewed
   `timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP, -- the date and time this record was last touched
-  `issuedate` date default NULL, -- date the item was checked out or issued
+  `issuedate` datetime default NULL, -- date the item was checked out or issued
   KEY `issuesborridx` (`borrowernumber`),
   KEY `bordate` (`borrowernumber`,`timestamp`),
   CONSTRAINT `issues_ibfk_1` FOREIGN KEY (`borrowernumber`) REFERENCES `borrowers` (`borrowernumber`) ON DELETE RESTRICT ON UPDATE CASCADE,
@@ -1363,15 +1363,15 @@ DROP TABLE IF EXISTS `old_issues`;
 CREATE TABLE `old_issues` ( -- lists items that were checked out and have been returned
   `borrowernumber` int(11) default NULL, -- foreign key, linking this to the borrowers table for the patron this item was checked out to
   `itemnumber` int(11) default NULL, -- foreign key, linking this to the items table for the item that was checked out
-  `date_due` date default NULL, -- date the item is due (yyyy-mm-dd)
+  `date_due` datetime default NULL, -- date the item is due (yyyy-mm-dd)
   `branchcode` varchar(10) default NULL, -- foreign key, linking to the branches table for the location the item was checked out
   `issuingbranch` varchar(18) default NULL,
-  `returndate` date default NULL, -- date the item was returned
-  `lastreneweddate` date default NULL, -- date the item was last renewed
+  `returndate` datetime default NULL, -- date the item was returned
+  `lastreneweddate` datetime default NULL, -- date the item was last renewed
   `return` varchar(4) default NULL,
   `renewals` tinyint(4) default NULL, -- lists the number of times the item was renewed
   `timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP, -- the date and time this record was last touched
-  `issuedate` date default NULL, -- date the item was checked out or issued
+  `issuedate` datetime default NULL, -- date the item was checked out or issued
   KEY `old_issuesborridx` (`borrowernumber`),
   KEY `old_issuesitemidx` (`itemnumber`),
   KEY `old_bordate` (`borrowernumber`,`timestamp`),
diff --git a/installer/data/mysql/updatedatabase.pl b/installer/data/mysql/updatedatabase.pl
index a97ccdaef4..19e6cdc9b3 100755
--- a/installer/data/mysql/updatedatabase.pl
+++ b/installer/data/mysql/updatedatabase.pl
@@ -4932,6 +4932,22 @@ if ( C4::Context->preference("Version") < TransformToNum($DBversion) ) {
     SetVersion($DBversion);
 }
 
+$DBversion = "XXX";
+if ( C4::Context->preference("Version") < TransformToNum($DBversion) ) {
+    $dbh->do("ALTER TABLE issues CHANGE date_due date_due datetime");
+    $dbh->do("ALTER TABLE issues CHANGE returndate returndate datetime");
+    $dbh->do("ALTER TABLE issues CHANGE lastreneweddate lastreneweddate datetime");
+    $dbh->do("ALTER TABLE issues CHANGE issuedate issuedate datetime");
+    $dbh->do("ALTER TABLE old_issues CHANGE date_due date_due datetime");
+    $dbh->do("ALTER TABLE old_issues CHANGE returndate returndate datetime");
+    $dbh->do("ALTER TABLE old_issues CHANGE lastreneweddate lastreneweddate datetime");
+    $dbh->do("ALTER TABLE old_issues CHANGE issuedate issuedate datetime");
+    print "Upgrade to $DBversion done (Setting up issues tables for hourly loans)\n";
+    SetVersion($DBversion);
+}
+
+
+
 =head1 FUNCTIONS
 
 =head2 DropAllForeignKeys($table)