diff --git a/bitbake/lib/bb/siggen.py b/bitbake/lib/bb/siggen.py
index 94d1762df1..26fa7f05ce 100644
--- a/bitbake/lib/bb/siggen.py
+++ b/bitbake/lib/bb/siggen.py
@@ -706,7 +706,7 @@ def clean_basepath(a):
         _, mc, a = a.split(":", 2)
     b = a.rsplit("/", 2)[1] + '/' + a.rsplit("/", 2)[2]
     if a.startswith("virtual:"):
-        b = b + ":" + a.rsplit(":", 1)[0]
+        b = b + ":" + a.rsplit(":", 2)[0]
     if mc:
         b = b + ":mc:" + mc
     return b