diff --git a/C4/Installer.pm b/C4/Installer.pm
index 03c2e07d62..952b629051 100644
--- a/C4/Installer.pm
+++ b/C4/Installer.pm
@@ -493,7 +493,7 @@ sub set_languages_syspref {
 
     warn "UPDATE Languages";
     # intranet
-    my $pref = $self->{'dbh'}->prepare("UPDATE systempreferences SET value=? WHERE variable='language'");
+    my $pref = $self->{'dbh'}->prepare("UPDATE systempreferences SET value=? WHERE variable='StaffInterfaceLanguages'");
     $pref->execute("en,$language");
     # opac
     $pref = $self->{'dbh'}->prepare("UPDATE systempreferences SET value=? WHERE variable='OPACLanguages'");
diff --git a/C4/Languages.pm b/C4/Languages.pm
index ac17631320..a9f8295cf1 100644
--- a/C4/Languages.pm
+++ b/C4/Languages.pm
@@ -639,7 +639,7 @@ sub getlanguage {
     my $language;
 
     my $preference_to_check =
-      $interface eq 'intranet' ? 'language' : 'OPACLanguages';
+      $interface eq 'intranet' ? 'StaffInterfaceLanguages' : 'OPACLanguages';
     # Get the available/valid languages list
     my @languages;
     my $preference_value = C4::Context->preference($preference_to_check);