diff --git a/debian/templates/plack.psgi b/debian/templates/plack.psgi
index 6da039f1f8..9f40d5f649 100644
--- a/debian/templates/plack.psgi
+++ b/debian/templates/plack.psgi
@@ -29,13 +29,13 @@ use Plack::App::URLMap;
 use C4::Boolean;
 use C4::Branch;
 use C4::Category;
-use C4::Dates;
 use C4::Koha;
 use C4::Languages;
 use C4::Letters;
 use C4::Members;
 use C4::XSLT;
 use Koha::Database;
+use Koha::DateUtils;
 
 use CGI qw(-utf8 ); # we will loose -utf8 under plack, otherwise
 {
diff --git a/misc/plack/koha.psgi b/misc/plack/koha.psgi
index b8d72b0dc0..2415640b84 100644
--- a/misc/plack/koha.psgi
+++ b/misc/plack/koha.psgi
@@ -38,13 +38,13 @@ $ENV{PROFILE_PER_PAGE} = 1; # reset persistent and profile counters after each p
 use C4::Context;
 use C4::Languages;
 use C4::Members;
-use C4::Dates;
 use C4::Boolean;
 use C4::Letters;
 use C4::Koha;
 use C4::XSLT;
 use C4::Branch;
 use C4::Category;
+use Koha::DateUtils;
 =for preload
 use C4::Tags; # FIXME
 =cut