diff --git a/ConflictSet.cpp b/ConflictSet.cpp
index 34e3073..fd292c4 100644
--- a/ConflictSet.cpp
+++ b/ConflictSet.cpp
@@ -1730,7 +1730,7 @@ bool checkMaxBetweenExclusive(Node *n, int begin, int end,
       if (self->maxOfMax[i] > readVersion) {
         for (int j = 0; j < Node48::kMaxOfMaxPageSize; ++j) {
           int k = (i << Node48::kMaxOfMaxShift) + j;
-          result &= !(self->children[k].childMaxVersion > readVersion &&
+          result &= !((self->children[k].childMaxVersion > readVersion) &
                       inBounds(self->reverseIndex[k]));
         }
       }