# MutantHub mutant #4071: Custom mutation at validation.cpp:2760
# Repository: bitcoin/bitcoin @ ddea9196493d3b8fd841a36a6c53efd85dac7a05
# File: src/validation.cpp:2760-2760
# Review: APPROVED; outcome: SURVIVED
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -2760,1 +2760,1 @@
-    const int64_t nMempoolUsage = m_mempool ? m_mempool->DynamicMemoryUsage() : 0;
+    const uint32_t nMempoolUsage = m_mempool ? m_mempool->DynamicMemoryUsage() : 0;