Index: /trunk/src/VBox/VMM/VMMR0/GIMR0Hv.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMR0/GIMR0Hv.cpp	(revision 53282)
+++ /trunk/src/VBox/VMM/VMMR0/GIMR0Hv.cpp	(revision 53283)
@@ -107,5 +107,5 @@
      * Hyper-V reports the reference time in 100 nanosecond units.
      */
-    uint64_t u64Tsc100Ns = TMCpuTicksPerSecond(pVM) / UINT64_C(10000000); /* 100 ns */
+    uint64_t u64Tsc100Ns = TMCpuTicksPerSecond(pVM) / RT_NS_10MS;
     int64_t i64TscOffset = (int64_t)u64Offset / u64Tsc100Ns;