1 files changed, 1 insertions, 1 deletions

diff --git a/meta/lib/oe/copy_buildsystem.py b/meta/lib/oe/copy_buildsystem.py
index 246ff58250..cb663b21c6 100644
--- a/meta/lib/oe/copy_buildsystem.py
+++ b/meta/lib/oe/copy_buildsystem.py
@@ -174,7 +174,7 @@ class BuildSystem(object):
 def generate_locked_sigs(sigfile, d):
     bb.utils.mkdirhier(os.path.dirname(sigfile))
     depd = d.getVar('BB_TASKDEPDATA', False)
-    tasks = ['%s.%s' % (v[2], v[1]) for v in depd.values()]
+    tasks = ['%s:%s' % (v[2], v[1]) for v in depd.values()]
     bb.parse.siggen.dump_lockedsigs(sigfile, tasks)
 
 def prune_lockedsigs(excluded_tasks, excluded_targets, lockedsigs, pruned_output):