diff --git a/mem/port.cc b/mem/port.cc
index e080f8b81..75362b472 100644
--- a/mem/port.cc
+++ b/mem/port.cc
@@ -71,4 +71,6 @@ Port::memsetBlobFunctional(Addr addr, uint8_t val, int size)
 
     memset(buf, val, size);
     blobHelper(addr, buf, size, Write);
+
+    delete buf;
 }