diff --git a/src/corelib/mimetypes/mime/generate.pl b/src/corelib/mimetypes/mime/generate.pl
index 4c1cb5bd9a..1427658e59 100644
--- a/src/corelib/mimetypes/mime/generate.pl
+++ b/src/corelib/mimetypes/mime/generate.pl
@@ -60,7 +60,7 @@ if ($zlib) {
 if ($fname eq "--zstd") {
     $fname = shift @ARGV;
     if (checkCommand("zstd")) {
-        $compress = "zstd -cq19 --single-thread";
+        $compress = "zstd -cq19 -T1";
         $macro = "MIME_DATABASE_IS_ZSTD";
     }
 }