Index: /trunk/src/VBox/ValidationKit/utils/fs/FsPerf.cpp
===================================================================
--- /trunk/src/VBox/ValidationKit/utils/fs/FsPerf.cpp	(revision 76928)
+++ /trunk/src/VBox/ValidationKit/utils/fs/FsPerf.cpp	(revision 76929)
@@ -1688,5 +1688,5 @@
         RTTestIValueF(ns / iIteration, \
                       RTTESTUNIT_NS_PER_OCCURRENCE, a_szOperation "/seq/%RU32 latency", cbBlock); \
-        RTTestIValueF((uint64_t)iIteration * cbBlock / ((double)ns / RT_NS_1SEC), \
+        RTTestIValueF((uint64_t)((uint64_t)iIteration * cbBlock / ((double)ns / RT_NS_1SEC)), \
                       RTTESTUNIT_BYTES_PER_SEC,     a_szOperation "/seq/%RU32 throughput", cbBlock); \
         RTTestIValueF(iIteration, \