diff --git a/britney.py b/britney.py
index 59ae2a6..d9663b3 100755
--- a/britney.py
+++ b/britney.py
@@ -1187,6 +1187,12 @@ class Britney(object):
                 excuse.addhtml("From wrong source: %s %s (%s not %s)" % (pkg_name, binary_u[VERSION], pkgsv, source_t[VERSION]))
                 break
 
+            # if the source package has been updated in unstable and this is a binary migration, skip it
+            if self.same_source(source_t[VERSION], pkgsv) and source_t[VERSION] != source_u[VERSION]:
+                anywrongver = True
+                excuse.addhtml("From wrong source: %s %s (%s not %s)" % (pkg_name, binary_u[VERSION], pkgsv, source_u[VERSION]))
+                break
+
             # find unsatisfied dependencies for the new binary package
             self.excuse_unsat_deps(pkg_name, src, arch, suite, excuse)