--- nono/host/driver.cpp	2026/04/29 17:05:47	1.1.1.4
+++ nono/host/driver.cpp	2026/04/29 17:05:56	1.1.1.5
@@ -12,7 +12,7 @@
 #include "hostdevice.h"
 
 // コンストラクタ
-Driver::Driver(HostDevice *hostdev_, const char *drivername_)
+Driver::Driver(HostDevice *hostdev_, const std::string& drivername_)
 	: inherited(OBJ_NONE)
 {
 	hostdev = hostdev_;