diff --git a/src/lib/diff/tree-diff-application.hpp b/src/lib/diff/tree-diff-application.hpp
index 3914da1d2..70b18554c 100644
--- a/src/lib/diff/tree-diff-application.hpp
+++ b/src/lib/diff/tree-diff-application.hpp
@@ -371,7 +371,10 @@ namespace diff{
           __expect_successful_location(n);
           
           if (not endOfData() and srcPos()->matches(n))
-            ++src(); // get /after/ an explicitly given position
+            {
+              move_into_new_sequence (srcPos());
+              ++src(); // get /after/ an explicitly given position
+            }
         }
       
       /** assignement of changed value in one step */