diff --git a/ConflictSet.cpp b/ConflictSet.cpp
index e9ef973..5a83c1c 100644
--- a/ConflictSet.cpp
+++ b/ConflictSet.cpp
@@ -1698,6 +1698,9 @@ bool checkRangeStartsWith(Node *n, std::span<const uint8_t> key, int begin,
       goto downLeftSpine;
     } else {
       n = nextSibling(n);
+      if (n == nullptr) {
+        return true;
+      }
       goto downLeftSpine;
     }
   }
@@ -1715,6 +1718,9 @@ bool checkRangeStartsWith(Node *n, std::span<const uint8_t> key, int begin,
         goto downLeftSpine;
       } else {
         n = nextSibling(n);
+        if (n == nullptr) {
+          return true;
+        }
         goto downLeftSpine;
       }
     }
@@ -1732,9 +1738,6 @@ bool checkRangeStartsWith(Node *n, std::span<const uint8_t> key, int begin,
   __builtin_unreachable(); // GCOVR_EXCL_LINE
 
 downLeftSpine:
-  if (n == nullptr) {
-    return true;
-  }
   for (;;) {
     if (n->entryPresent) {
       return n->entry.rangeVersion <= readVersion;