diff --git a/ConflictSet.cpp b/ConflictSet.cpp
index 5ff7f65..b8a2973 100644
--- a/ConflictSet.cpp
+++ b/ConflictSet.cpp
@@ -2836,7 +2836,7 @@ struct __attribute__((visibility("hidden"))) ConflictSet::Impl {
       auto begin = std::span<const uint8_t>(r.begin.p, r.begin.len);
       auto end = std::span<const uint8_t>(r.end.p, r.end.len);
       result[i] =
-          InternalVersionT(reads[i].readVersion) < oldestVersion ||
+          reads[i].readVersion < oldestVersionFullPrecision ||
                   reads[i].readVersion <
                       newestVersionFullPrecision - kNominalVersionWindow
               ? TooOld