diff --git a/linux-tkg-config/prepare b/linux-tkg-config/prepare
index 440608d..f86594c 100644
--- a/linux-tkg-config/prepare
+++ b/linux-tkg-config/prepare
@@ -585,7 +585,7 @@ _tkg_srcprep() {
     fi
     if [ "${_cpusched}" = "upds" ] || ( [ "$_basever" = "54" ] || [ "$_basever" = "57" ] && [ "${_cpusched}" = "pds" ] ); then
       _sched="pds"
-    elif [ "${_cpusched}" = "MuQSS" ] || [ "$_basever" != "54" ] && [ "$_cpusched" != "bmq" ] && [ "$_cpusched" != "pds" ]; then
+    elif [ "${_cpusched}" = "MuQSS" ] || ( [ "$_basever" != "54" ] && [ "$_cpusched" != "bmq" ] && [ "$_cpusched" != "pds" ] ) || ( [ "$_basever" = "54" ] && [ "$_cpusched" = "bmq" ] ); then
       _sched="${_cpusched}"
     else
       _sched="alt_core"