diff --git a/lib/src/string.cpp b/lib/src/string.cpp
index 1ce7081..abbadf0 100644
--- a/lib/src/string.cpp
+++ b/lib/src/string.cpp
@@ -13,10 +13,10 @@ std::wstring stringToWString(const std::string& s)
 {
     int length;
     int slength = (int)s.length() + 1;
-    length = MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, 0, 0);
+    length = MultiByteToWideChar(CP_UTF8, 0, s.c_str(), slength, 0, 0);
     std::wstring buf;
     buf.resize(length);
-    MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, const_cast<wchar_t*>(buf.c_str()), length);
+    MultiByteToWideChar(CP_UTF8, 0, s.c_str(), slength, const_cast<wchar_t*>(buf.c_str()), length);
     return buf;
 }