diff --git a/src/util.cpp b/src/util.cpp
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -70,6 +70,7 @@
 #ifndef NOMINMAX
 #define NOMINMAX
 #endif
+#include <codecvt>
 
 #include <io.h> /* for _commit */
 #include <shlobj.h>
@@ -1086,7 +1087,14 @@
     if (strCommand.empty()) {
         return;
     }
+#ifndef WIN32
     int nErr = ::system(strCommand.c_str());
+#else
+    int nErr = ::_wsystem(
+        std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t>()
+            .from_bytes(strCommand)
+            .c_str());
+#endif
     if (nErr) {
         LogPrintf("runCommand error: system(%s) returned %d\n", strCommand,
                   nErr);