diff --git a/meta/lib/oe/sstatesig.py b/meta/lib/oe/sstatesig.py
index 5bf1697e72..42e13a8c80 100644
--- a/meta/lib/oe/sstatesig.py
+++ b/meta/lib/oe/sstatesig.py
@@ -598,9 +598,9 @@ def OEOuthashBasic(path, sigfile, task, d):
                         update_hash(" %10s" % pwd.getpwuid(s.st_uid).pw_name)
                         update_hash(" %10s" % grp.getgrgid(s.st_gid).gr_name)
                     except KeyError as e:
-                        bb.warn("KeyError in %s" % path)
                         msg = ("KeyError: %s\nPath %s is owned by uid %d, gid %d, which doesn't match "
-                            "any user/group on target. This may be due to host contamination." % (e, path, s.st_uid, s.st_gid))
+                            "any user/group on target. This may be due to host contamination." %
+                            (e, os.path.abspath(path), s.st_uid, s.st_gid))
                         raise Exception(msg).with_traceback(e.__traceback__)
 
                 if include_timestamps: