diff --git a/t/Languages.t b/t/Languages.t
index 8b81556f0b..3c03a16f40 100755
--- a/t/Languages.t
+++ b/t/Languages.t
@@ -41,7 +41,7 @@ $module_context->mock(
         my ( $self, $pref ) = @_;
         if ($return_undef) {
             return;
-        } elsif ( $pref eq 'language' || $pref eq 'OPACLanguages' ) {
+        } elsif ( $pref eq 'StaffInterfaceLanguages' || $pref eq 'OPACLanguages' ) {
             return join ',', @languages;
         } else {
             return 'XXX';
diff --git a/t/db_dependent/selenium/00-onboarding.t b/t/db_dependent/selenium/00-onboarding.t
index 49b543061a..2f8158f032 100755
--- a/t/db_dependent/selenium/00-onboarding.t
+++ b/t/db_dependent/selenium/00-onboarding.t
@@ -177,8 +177,8 @@ SKIP: {
     $s->submit_form;
 
     # Get the interface in the correct language
-    C4::Context->set_preference( 'language',      $languages->{$lang} );
-    C4::Context->set_preference( 'opaclanguages', $languages->{$lang} );
+    C4::Context->set_preference( 'StaffInterfaceLanguages', $languages->{$lang} );
+    C4::Context->set_preference( 'opaclanguages',           $languages->{$lang} );
 
     $s->click( { href => '/mainpage.pl', main => 'onboarding-step5' } );
 
diff --git a/t/db_dependent/selenium/01-installation.t b/t/db_dependent/selenium/01-installation.t
index 28de8cb625..1dac6c5521 100755
--- a/t/db_dependent/selenium/01-installation.t
+++ b/t/db_dependent/selenium/01-installation.t
@@ -160,8 +160,8 @@ SKIP: {
     $s->submit_form;
 
     # Get the interface in the correct language
-    C4::Context->set_preference( 'language',      $languages->{$lang} );
-    C4::Context->set_preference( 'opaclanguages', $languages->{$lang} );
+    C4::Context->set_preference( 'StaffInterfaceLanguages', $languages->{$lang} );
+    C4::Context->set_preference( 'opaclanguages',           $languages->{$lang} );
 
     $s->click( { href => '/mainpage.pl', main => 'onboarding-step5' } );