diff --git a/src/node_buffer.cc b/src/node_buffer.cc
index ffc11cd9893edc..fa45d28b8fa171 100644
--- a/src/node_buffer.cc
+++ b/src/node_buffer.cc
@@ -209,6 +209,7 @@ inline MUST_USE_RESULT bool ParseArrayIndex(Local<Value> arg,
 
   // Check that the result fits in a size_t.
   const uint64_t kSizeMax = static_cast<uint64_t>(static_cast<size_t>(-1));
+  // coverity[pointless_expression]
   if (static_cast<uint64_t>(tmp_i) > kSizeMax)
     return false;