--- a/Plugins/VcsPlugins/vcsSubversion/subversion.py	Wed Mar 08 10:49:20 2017 +0100
+++ b/Plugins/VcsPlugins/vcsSubversion/subversion.py	Wed Mar 08 21:52:37 2017 +0100
@@ -1986,6 +1986,8 @@
                     rev1 = ""
                 if rev2 == "WORKING":
                     rev2 = ""
+            else:
+                return
         elif revisions:
             rev1, rev2 = revisions[0], revisions[1]
         else: