diff --git a/src/validation.cpp b/src/validation.cpp
index 91ae39d1c3..7fb63a0d8f 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -6289,7 +6289,8 @@ util::Result<void> ChainstateManager::ActivateSnapshot(
             return util::Error{strprintf(_("The base block header (%s) is part of an invalid chain."), base_blockhash.ToString())};
         }
 
-        if (Assert(m_active_chainstate->GetMempool())->size() > 0) {
+        auto mempool{m_active_chainstate->GetMempool()};
+        if (mempool && mempool->size() > 0) {
             return util::Error{_("Can't activate a snapshot when mempool not empty.")};
         }
     }