diff --git a/bitbake/lib/bb/runqueue.py b/bitbake/lib/bb/runqueue.py
index 1bbe791..58a3ce7 100644
--- a/bitbake/lib/bb/runqueue.py
+++ b/bitbake/lib/bb/runqueue.py
@@ -1139,6 +1139,7 @@ class RunQueueExecute:
                 for e in fakeenv:
                     os.environ[e] = fakeenv[e]
                     the_data.setVar(e, fakeenv[e])
+                    the_data.setVarFlag(e, 'export', "1")
 
                 if quieterrors:
                     the_data.setVarFlag(taskname, "quieterrors", "1")