diff --git a/tools/recipes/rt-app.manifest.yaml b/tools/recipes/rt-app.manifest.yaml
index d544195499ac9d84379a673dbfab4d61c558d112..1f5d563c5bad694b139f99870cb055c7d5d5128d 100644
--- a/tools/recipes/rt-app.manifest.yaml
+++ b/tools/recipes/rt-app.manifest.yaml
@@ -20,7 +20,7 @@ rebase-conf:
         # https://github.com/scheduler-tools/rt-app/pull/113
         -
             remote: github
-            base: master
+            base: fix_cpu_set
             tip: uclamp-reset
 
         # https://github.com/scheduler-tools/rt-app/pull/126