diff --git a/netplay.cpp b/netplay.cpp
index 4fb5f466..04df6984 100644
--- a/netplay.cpp
+++ b/netplay.cpp
@@ -5,11 +5,6 @@
 \*****************************************************************************/
 
 #ifdef NETPLAY_SUPPORT
-#ifdef _DEBUG
-	#define NP_DEBUG 1
-#endif
-
-#define NP_DEBUG 3 // FF-FIXME
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -555,7 +550,7 @@ bool8 S9xNPLoadROMDialog (const char *rom_name)
     printf ("CLIENT: Asking GUI thread to open ROM load dialog...\n");
 #endif
 
-    PostMessage (GUI.hWnd, WM_USER + 3, (uint32) rom_name, (uint32) rom_name);
+    PostMessage (GUI.hWnd, WM_USER + 3, (WPARAM) rom_name, (LPARAM) rom_name);
 
 #ifdef NP_DEBUG
     printf ("CLIENT: Waiting for reply from GUI thread...\n");
diff --git a/netplay.h b/netplay.h
index b7dd340f..def127d7 100644
--- a/netplay.h
+++ b/netplay.h
@@ -22,7 +22,9 @@
  * joypad data  4 * n
  */
 
-//#define NP_DEBUG 1
+#ifdef _DEBUG
+#define NP_DEBUG 1
+#endif
 
 #define NP_VERSION 10
 #define NP_JOYPAD_HIST_SIZE 120
diff --git a/server.cpp b/server.cpp
index 2bfe8437..dd02087e 100644
--- a/server.cpp
+++ b/server.cpp
@@ -5,9 +5,6 @@
 \*****************************************************************************/
 
 #ifdef NETPLAY_SUPPORT
-#ifdef _DEBUG
-	#define NP_DEBUG 1
-#endif
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -478,7 +475,7 @@ void S9xNPProcessClient (int c)
                     }
                     else
 #ifdef __WIN32__
-                        S9xNPServerAddTask (NP_SERVER_SYNC_CLIENT, (void *) c);
+                        S9xNPServerAddTask (NP_SERVER_SYNC_CLIENT, (void *)(UINT_PTR) c);
 #else
                         /* We need to resync all clients on new player connect as we don't have a 'reference game' */
                         S9xNPServerAddTask (NP_SERVER_SYNC_ALL, (void *) (pint) c);