diff --git a/src/STUBS/mpi.c b/src/STUBS/mpi.c
index 09bb48ecdc..af7a489bb1 100644
--- a/src/STUBS/mpi.c
+++ b/src/STUBS/mpi.c
@@ -148,12 +148,20 @@ int MPI_Finalize()
 
 double MPI_Wtime()
 {
+#if defined(_MSC_VER)
+  double t;
+
+  t = GetTickCount();
+  t /= 1000.0;
+  return t;
+#else
   double time;
   struct timeval tv;
 
   gettimeofday(&tv,NULL);
   time = 1.0 * tv.tv_sec + 1.0e-6 * tv.tv_usec;
   return time;
+#endif
 }
 
 /* ---------------------------------------------------------------------- */
diff --git a/src/USER-REAXC/reaxc_tool_box.cpp b/src/USER-REAXC/reaxc_tool_box.cpp
index b6058b2516..ffe42e37bb 100644
--- a/src/USER-REAXC/reaxc_tool_box.cpp
+++ b/src/USER-REAXC/reaxc_tool_box.cpp
@@ -34,8 +34,16 @@ double t_end;
 
 double Get_Time( )
 {
+#if defined(_MSC_VER)
+  double t;
+
+  t = GetTickCount();
+  t /= 1000.0;
+  return t;
+#else
   gettimeofday(&tim, NULL );
   return( tim.tv_sec + (tim.tv_usec / 1000000.0) );
+#endif
 }
 
 int Tokenize( char* s, char*** tok )