diff --git a/phase1/config.ini.example b/phase1/config.ini.example
index 0e4b551..ced5ccb 100644
--- a/phase1/config.ini.example
+++ b/phase1/config.ini.example
@@ -19,6 +19,7 @@ password = example
 
 [repo]
 url = https://git.openwrt.org/openwrt/openwrt.git
+tree_stable_timer = 900
 
 # branches should be listed by decreasing build priority order, typically oldest branch first (less build intensive)
 # branch section name should match branch "name" option until signall.sh is reworked
diff --git a/phase1/master.cfg b/phase1/master.cfg
index e8764bc..4f76766 100644
--- a/phase1/master.cfg
+++ b/phase1/master.cfg
@@ -61,6 +61,7 @@ work_dir = os.path.abspath(ini["general"].get("workdir", "."))
 scripts_dir = os.path.abspath("../scripts")
 
 repo_url = ini["repo"].get("url")
+tree_stable_timer = ini["repo"].getint("tree_stable_timer", 15 * 60)
 
 rsync_defopts = ["-v", "--timeout=120"]
 
@@ -509,7 +510,7 @@ c["schedulers"].append(
     AnyBranchScheduler(
         name="all",
         change_filter=util.ChangeFilter(branch=branchNames),
-        treeStableTimer=15 * 60,
+        treeStableTimer=tree_stable_timer,
         builderNames=builderNames,
     )
 )