diff --git a/src/validation.cpp b/src/validation.cpp
index 0384018bc36..673c9272fe6 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -3747,7 +3747,7 @@ bool Chainstate::InvalidateBlock(BlockValidationState& state, CBlockIndex* pinde
         m_blockman.m_dirty_blockindex.insert(invalid_walk_tip);
         setBlockIndexCandidates.erase(invalid_walk_tip);
         setBlockIndexCandidates.insert(invalid_walk_tip->pprev);
-        if (invalid_walk_tip->pprev == to_mark_failed && (to_mark_failed->nStatus & BLOCK_FAILED_VALID)) {
+        if (invalid_walk_tip == to_mark_failed->pprev && (to_mark_failed->nStatus & BLOCK_FAILED_VALID)) {
             // We only want to mark the last disconnected block as BLOCK_FAILED_VALID; its children
             // need to be BLOCK_FAILED_CHILD instead.
             to_mark_failed->nStatus = (to_mark_failed->nStatus ^ BLOCK_FAILED_VALID) | BLOCK_FAILED_CHILD;