diff --git a/SkipList.cpp b/SkipList.cpp
index e2e1a4e..b3708c2 100644
--- a/SkipList.cpp
+++ b/SkipList.cpp
@@ -767,7 +767,9 @@ struct __attribute__((visibility("hidden"))) ConflictSet::Impl {
           false, true);
     }
 
-    sortPoints(points);
+    if (!std::is_sorted(points.begin(), points.end())) {
+      sortPoints(points);
+    }
 
     int activeWriteCount = 0;
     std::vector<std::pair<StringRef, StringRef>> combinedWriteConflictRanges;