diff --git a/ConflictSet.cpp b/ConflictSet.cpp
index 434c5fd..96cfe97 100644
--- a/ConflictSet.cpp
+++ b/ConflictSet.cpp
@@ -464,21 +464,13 @@ void setChildrenParents(Node16 *n) {
 }
 
 void setChildrenParents(Node48 *n) {
-  for (int i = 0; i < 256; ++i) {
-    int c = n->index[i];
-    if (c != -1) {
-      n->children[c].child->parent = n;
-    }
-  }
+  n->bitSet.forEachInRange(
+      [&](int i) { n->children[n->index[i]].child->parent = n; }, 0, 256);
 }
 
 void setChildrenParents(Node256 *n) {
-  for (int i = 0; i < 256; ++i) {
-    auto *child = n->children[i].child;
-    if (child != nullptr) {
-      child->parent = n;
-    }
-  }
+  n->bitSet.forEachInRange([&](int i) { n->children[i].child->parent = n; }, 0,
+                           256);
 }
 
 // Caller is responsible for assigning a non-null pointer to the returned