diff --git a/src/validation.cpp b/src/validation.cpp
index e881742bda2..2136a63fc46 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -2437,7 +2437,7 @@ bool Chainstate::ConnectBlock(const CBlock& block, BlockValidationState& state,
         if (it == m_blockman.m_block_index.end()) {
             script_check_reason = "assumevalid hash not in headers";
         } else if (it->second.GetAncestor(pindex->nHeight) != pindex) {
-            script_check_reason = "block not in assumevalid chain";
+            script_check_reason = (pindex->nHeight > it->second.nHeight) ? "block height above assumevalid height" : "block not in assumevalid chain";
         } else if (m_chainman.m_best_header->GetAncestor(pindex->nHeight) != pindex) {
             script_check_reason = "block not in best header chain";
         } else if (m_chainman.m_best_header->nChainWork < m_chainman.MinimumChainWork()) {
diff --git a/test/functional/feature_assumevalid.py b/test/functional/feature_assumevalid.py
index 756f2d35c73..ed2bff63daa 100755
--- a/test/functional/feature_assumevalid.py
+++ b/test/functional/feature_assumevalid.py
@@ -169,7 +169,7 @@ class AssumeValidTest(BitcoinTestFramework):
         # nodes[1]
         with self.nodes[1].assert_debug_log(expected_msgs=[
             f"Disabling script verification at block #1 ({self.blocks[0].hash_hex}).",
-            f"Enabling script verification at block #103 ({self.blocks[102].hash_hex}): block not in assumevalid chain.",
+            f"Enabling script verification at block #103 ({self.blocks[102].hash_hex}): block height above assumevalid height.",
         ]):
             p2p1 = self.nodes[1].add_p2p_connection(BaseNode())