diff --git a/src/ripple_basics/containers/RangeSet.cpp b/src/ripple_basics/containers/RangeSet.cpp
index 643b4938e..f99feb38d 100644
--- a/src/ripple_basics/containers/RangeSet.cpp
+++ b/src/ripple_basics/containers/RangeSet.cpp
@@ -217,7 +217,7 @@ void RangeSet::simplify ()
         if (it->second >= (nit->first - 1))
         {
             // ranges overlap
-            it->second = nit->second;
+            it->second = std::max(it->second, nit->second);
             mRanges.erase (nit);
         }
         else