diff --git a/Bugzilla.pm b/Bugzilla.pm
index ea3e82cfb..f04fefffa 100644
--- a/Bugzilla.pm
+++ b/Bugzilla.pm
@@ -487,7 +487,10 @@ sub input_params
     {
         if ($utf8)
         {
-            utf8::decode($_) for @{$params->{$_}};
+            for (@{$params->{$_}})
+            {
+                utf8::decode($_) unless ref $_;
+            }
         }
         ($params->{$_}) = @{$params->{$_}} if @{$params->{$_}} <= 1;
     }
diff --git a/importxls.cgi b/importxls.cgi
index d780dbc42..013a51926 100755
--- a/importxls.cgi
+++ b/importxls.cgi
@@ -147,7 +147,10 @@ unless ($ARGS->{commit})
         else
         {
             my $i = 0;
-            my $sth = $dbh->prepare("SELECT COUNT(*) FROM `bugs` WHERE `short_desc`=? AND `delta_ts`>=DATE_SUB(CURDATE(),INTERVAL ? DAY)");
+            my $sth = $dbh->prepare(
+                "SELECT COUNT(*) FROM bugs WHERE short_desc=? AND delta_ts >= ".
+                $dbh->sql_date_math('CURRENT_DATE', '-', '?', 'DAY')
+            );
             for my $bug (@{$table->{data}})
             {
                 # Check if this bug is already added