diff --git a/dln.c b/dln.c
index 1f93950..654a982 100644
--- a/dln.c
+++ b/dln.c
@@ -1246,6 +1246,23 @@ rb_w32_check_imported(HMODULE ext, HMODULE mine)
 #define translit_separator(str) (void)(str)
 #endif
 
+#if defined _WIN32 && !defined __CYGWIN__
+static WCHAR *
+mbstr_to_wstr(UINT cp, const char *str)
+{
+    WCHAR *ptr;
+    int len = MultiByteToWideChar(cp, 0, str, -1, NULL, 0);
+    ptr = malloc(sizeof(WCHAR) * len);
+    if (!ptr)
+        return 0;
+    if (!MultiByteToWideChar(cp, 0, str, -1, ptr, len)) {
+        free(ptr);
+        ptr = 0;
+    }
+    return ptr;
+}
+#endif
+
 void*
 dln_load(const char *file)
 {
@@ -1256,7 +1273,7 @@ dln_load(const char *file)
 
 #if defined _WIN32 && !defined __CYGWIN__
     HINSTANCE handle;
-    char winfile[MAXPATHLEN];
+    WCHAR *winfile;
     char message[1024];
     void (*init_fct)();
     char *buf;
@@ -1266,10 +1283,17 @@ dln_load(const char *file)
     /* Load the file as an object one */
     init_funcname(&buf, file);
 
-    strlcpy(winfile, file, sizeof(winfile));
+    handle = 0;
+    /* Convert the file path to wide char */
+    winfile = mbstr_to_wstr(CP_UTF8, file);
+    if (winfile) {
+        /* Load the library */
+        handle = LoadLibraryW(winfile);
+        free(winfile);
+    }
 
-    /* Load file */
-    if ((handle = LoadLibrary(winfile)) == NULL) {
+    /* Handle failure */
+    if (!handle) {
 	error = dln_strerror();
 	goto failed;
     }