diff --git a/src/util/process_.cpp b/src/util/process_.cpp
index dbe2984..fa4cfe3 100644
--- a/src/util/process_.cpp
+++ b/src/util/process_.cpp
@@ -1,13 +1,27 @@
 #include "process_.h"
 
 #ifdef WIN32
-  #include <cstddef>
   #include <string>
   #include <windows.h>
 #endif
 
 namespace anm2ed::util
 {
+#ifdef WIN32
+  namespace
+  {
+    std::wstring utf8_to_wstring(const char* text)
+    {
+      if (!text) return {};
+      auto sizeRequired = MultiByteToWideChar(CP_UTF8, 0, text, -1, nullptr, 0);
+      if (sizeRequired <= 0) return {};
+      std::wstring wide(static_cast<std::size_t>(sizeRequired - 1), L'\0');
+      MultiByteToWideChar(CP_UTF8, 0, text, -1, wide.data(), sizeRequired);
+      return wide;
+    }
+  }
+#endif
+
   Process::Process(const char* command, const char* mode) { open(command, mode); }
 
   Process::~Process() { close(); }
@@ -17,7 +31,9 @@ namespace anm2ed::util
     close();
 
 #ifdef WIN32
-    pipe = _popen(command, mode);
+    auto wideCommand = utf8_to_wstring(command);
+    auto wideMode = utf8_to_wstring(mode);
+    pipe = _wpopen(wideCommand.c_str(), wideMode.c_str());
 #else
     pipe = popen(command, mode);
 #endif