diff --git a/library/x509parse.c b/library/x509parse.c
index 26d655f..0e854a2 100644
--- a/library/x509parse.c
+++ b/library/x509parse.c
@@ -1915,7 +1915,7 @@
 	p = filename + len;
     filename[len++] = '*';
 
-	w_ret = MultiByteToWideChar( CP_ACP, 0, path, len, szDir, MAX_PATH - 3 );
+	w_ret = MultiByteToWideChar( CP_ACP, 0, filename, len, szDir, MAX_PATH - 3 );
 
     hFind = FindFirstFileW( szDir, &file_data );
     if (hFind == INVALID_HANDLE_VALUE)