diff --git a/src/spice2x/acio2emu/handle.cpp b/src/spice2x/acio2emu/handle.cpp
index 2e6a86e..155ac73 100644
--- a/src/spice2x/acio2emu/handle.cpp
+++ b/src/spice2x/acio2emu/handle.cpp
@@ -31,7 +31,7 @@ namespace acio2emu {
         }
     };
 
-    IOBHandle::IOBHandle(std::wstring device) : device_(device) { 
+    IOBHandle::IOBHandle(LPCWSTR device) : device_(device) { 
         nodes_[0] = std::make_unique<MasterNode>(this); 
     }
 
diff --git a/src/spice2x/acio2emu/handle.h b/src/spice2x/acio2emu/handle.h
index 5939d54..d24bb22 100644
--- a/src/spice2x/acio2emu/handle.h
+++ b/src/spice2x/acio2emu/handle.h
@@ -26,7 +26,7 @@ namespace acio2emu {
         void forward_packet_(const Packet &packet);
 
     public:
-        IOBHandle(std::wstring device);
+        IOBHandle(LPCWSTR device);
 
         bool register_node(std::unique_ptr<Node> node);
         int number_of_nodes() const;