diff --git a/FuzzerUtilWindows.cpp b/FuzzerUtilWindows.cpp
index e8bdd2e..8227e77 100644
--- a/FuzzerUtilWindows.cpp
+++ b/FuzzerUtilWindows.cpp
@@ -10,6 +10,7 @@
 //===----------------------------------------------------------------------===//
 #include "FuzzerDefs.h"
 #if LIBFUZZER_WINDOWS
+#include "FuzzerCommand.h"
 #include "FuzzerIO.h"
 #include "FuzzerInternal.h"
 #include <cassert>
@@ -151,8 +152,9 @@
   return _popen(Command, Mode);
 }
 
-int ExecuteCommand(const std::string &Command) {
-  return system(Command.c_str());
+int ExecuteCommand(const Command &Cmd) {
+  std::string CmdLine = Cmd.toString();
+  return system(CmdLine.c_str());
 }
 
 const void *SearchMemory(const void *Data, size_t DataLen, const void *Patt,