1 files changed, 8 insertions, 6 deletions
diff --git a/Bugzilla/Config/Common.pm b/Bugzilla/Config/Common.pm
index fabf7c880..24b636099 100644
--- a/Bugzilla/Config/Common.pm
+++ b/Bugzilla/Config/Common.pm
@@ -83,14 +83,16 @@ sub check_email {
 
 
 sub check_utf8 {
-    my $utf8 = shift;
+    my ($utf8, $entry) = @_;
 
-    # You cannot turn off the UTF-8 parameter if you've already converted
-    # your tables to utf-8.
-    my $dbh = Bugzilla->dbh;
-    if ( $dbh->isa('Bugzilla::DB::Mysql') && $dbh->bz_db_is_utf8 && !$utf8 ) {
-        return "You cannot disable UTF-8 support, because your MySQL database" . " is encoded in UTF-8";
+    # You cannot turn off the UTF-8 parameter.
+    if ( !$utf8 ) {
+        return "You cannot disable UTF-8 support.";
     }
+    elsif ($entry eq 'utf8mb4' && $utf8 ne 'utf8mb4') {
+        return "You cannot disable UTF8-MB4 support.";
+    }
+
     return "";
 }