diff --git a/src/lib/common/win32/DataDirectories.cpp b/src/lib/common/win32/DataDirectories.cpp
index b6d77be5..32bc2136 100644
--- a/src/lib/common/win32/DataDirectories.cpp
+++ b/src/lib/common/win32/DataDirectories.cpp
@@ -16,25 +16,17 @@
 */
 
 #include "../DataDirectories.h"
+#include "encoding_utilities.h"
 
 #include <Shlobj.h>
 
-std::string unicode_to_mb(const WCHAR* utfStr)
-{
-    int utfLength = lstrlenW(utfStr);
-    int mbLength = WideCharToMultiByte(CP_UTF8, 0, utfStr, utfLength, NULL, 0, NULL, NULL);
-    std::string mbStr(mbLength, 0);
-    WideCharToMultiByte(CP_UTF8, 0, utfStr, utfLength, &mbStr[0], mbLength, NULL, NULL);
-    return mbStr;
-}
-
 std::string known_folder_path(const KNOWNFOLDERID& id)
 {
     std::string path;
     WCHAR* buffer;
     HRESULT result = SHGetKnownFolderPath(id, 0, NULL, &buffer);
     if (result == S_OK) {
-        path = unicode_to_mb(buffer);
+        path = win_wchar_to_utf8(buffer);
         CoTaskMemFree(buffer);
     }
     return path;
diff --git a/src/lib/common/win32/encoding_utilities.cpp b/src/lib/common/win32/encoding_utilities.cpp
new file mode 100644
index 00000000..16379316
--- /dev/null
+++ b/src/lib/common/win32/encoding_utilities.cpp
@@ -0,0 +1,27 @@
+/*
+    barrier -- mouse and keyboard sharing utility
+    Copyright (C) Barrier contributors
+
+    This package is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License
+    found in the file LICENSE that should have accompanied this file.
+
+    This package is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "encoding_utilities.h"
+
+std::string win_wchar_to_utf8(const WCHAR* utfStr)
+{
+    int utfLength = lstrlenW(utfStr);
+    int mbLength = WideCharToMultiByte(CP_UTF8, 0, utfStr, utfLength, NULL, 0, NULL, NULL);
+    std::string mbStr(mbLength, 0);
+    WideCharToMultiByte(CP_UTF8, 0, utfStr, utfLength, &mbStr[0], mbLength, NULL, NULL);
+    return mbStr;
+}
diff --git a/src/lib/common/win32/encoding_utilities.h b/src/lib/common/win32/encoding_utilities.h
new file mode 100644
index 00000000..f09cf531
--- /dev/null
+++ b/src/lib/common/win32/encoding_utilities.h
@@ -0,0 +1,25 @@
+/*
+    barrier -- mouse and keyboard sharing utility
+    Copyright (C) Barrier contributors
+
+    This package is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License
+    found in the file LICENSE that should have accompanied this file.
+
+    This package is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef BARRIER_LIB_COMMON_WIN32_ENCODING_UTILITIES_H
+#define BARRIER_LIB_COMMON_WIN32_ENCODING_UTILITIES_H
+
+#include <string>
+
+std::string win_wchar_to_utf8(const WCHAR* utfStr);
+
+#endif