diff --git a/poky/bitbake/bin/bitbake-worker b/poky/bitbake/bin/bitbake-worker
index 9d850ec..7be3937 100755
--- a/poky/bitbake/bin/bitbake-worker
+++ b/poky/bitbake/bin/bitbake-worker
@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 #
+# Copyright BitBake Contributors
+#
 # SPDX-License-Identifier: GPL-2.0-only
 #
 
@@ -455,6 +457,7 @@
         for mc in self.databuilder.mcdata:
             self.databuilder.mcdata[mc].setVar("PRSERV_HOST", self.workerdata["prhost"])
             self.databuilder.mcdata[mc].setVar("BB_HASHSERVE", self.workerdata["hashservaddr"])
+            self.databuilder.mcdata[mc].setVar("__bbclasstype", "recipe")
 
     def handle_newtaskhashes(self, data):
         self.workerdata["newhashes"] = pickle.loads(data)