diff --git a/master.cfg b/master.cfg
index 2c7b103..cc089f6 100644
--- a/master.cfg
+++ b/master.cfg
@@ -80,13 +80,6 @@ c['protocols'] = {
     }
 }
 
-################################################################################
-# CHANGE SOURCES
-
-c['change_source'] = GitPoller(repourl='git://git.blender.org/blender.git',
-                               pollinterval=120,
-                               project='blender')
-
 ################################################################################
 # CODEBASES
 #
@@ -197,11 +190,15 @@ def schedule_change_build(name, branch):
 # Note that any particular build will only take place on one worker.
 
 c['builders'] = []
+builders_all_branches = set()
 
 
 # Add builder utility.
 
 def add_builder(c, name, platforms, factory, branch='', hour=3, minute=0):
+    if branch != '':
+        builders_all_branches.add(branch)
+
     for platform in platforms:
         workernames = []
         builder_name = f'{name}_{platform}'
@@ -342,6 +339,14 @@ add_builder(c,
             branch='',
             hour=1)
 
+################################################################################
+# CHANGE SOURCES
+
+c['change_source'] = GitPoller(repourl='git://git.blender.org/blender.git',
+                               pollinterval=120,
+                               project='blender',
+                               branches=list(builders_all_branches))
+
 ################################################################################
 # HORIZONS